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1.
Medicine (Baltimore) ; 99(46): e22540, 2020 Nov 13.
Artigo em Inglês | MEDLINE | ID: mdl-33181643

RESUMO

BACKGROUND: Wound infiltration analgesia provides effective postoperative pain control in patients undergoing laparoscopic cholecystectomy (LC). However, the efficacy and safety of wound infiltration with different doses of ropivacaine is not well defined. This study investigated the analgesic effects and pharmacokinetic profile of varying concentrations of ropivacaine at port sites under laparoscopy assistance. METHODS: In this randomized, double-blinded study, 132 patients were assigned to 4 groups: Group H: in which patients were infiltrated with 0.75% ropivacaine; Group M: 0.5% ropivacaine; Group L: 0.2% ropivacaine; and Group C: 0.9% normal saline only. The primary outcome was pain intensity estimated using numeric rating scale (NRS) at discharging from PACU and at 4 hours, 6 hours, 8 hours, and 24 hours after infiltration. Secondary outcomes included plasma concentrations of ropivacaine at 30 minutes after wound infiltration, rescue analgesia requirements after surgery, perioperative vital signs changes, and side effects. RESULTS: The NRS in Group C was significantly higher at rest, and when coughing upon leaving PACU and at 4 hours, 6 hours, 8 hours, and 24 hours after infiltration (P < .05) and rescue analgesic consumption was significantly higher. Notably, these parameters were not significantly different between Groups H, Group M and Group L (P > .05). Intra-operative consumption of sevoflurane and remifentanil, HR at skin incision and MAP at skin incision, as well as 5 minutes after skin incision were significantly higher in Group C than in the other 3 groups (P < .01). In contrast, these parameters were not significantly different between Groups H, Group M and Group L (P > .05). The concentration of ropivacaine at 30 minutes after infiltration in Group H was significantly higher than that of Group L and Group M (P < .05). No significant differences were observed in the occurrence of side effects among the 4 groups (P > .05). CONCLUSIONS: Laparoscopy-assisted wound infiltration with ropivacaine successfully decreases pain intensity in patients undergoing LC regardless of the doses used. Infiltration with higher doses results in higher plasma concentrations, but below the systematic toxicity threshold.


Assuntos
Anestesia Local/normas , Manejo da Dor/normas , Ropivacaina/administração & dosagem , Adulto , Análise de Variância , Anestesia Local/métodos , Anestesia Local/estatística & dados numéricos , Anestésicos Locais/administração & dosagem , Anestésicos Locais/uso terapêutico , Distribuição de Qui-Quadrado , Colecistectomia Laparoscópica/métodos , Colecistectomia Laparoscópica/estatística & dados numéricos , Método Duplo-Cego , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Manejo da Dor/métodos , Manejo da Dor/estatística & dados numéricos , Medição da Dor/métodos , Estudos Prospectivos , Ropivacaina/uso terapêutico
2.
Medicine (Baltimore) ; 99(43): e22739, 2020 Oct 23.
Artigo em Inglês | MEDLINE | ID: mdl-33120774

RESUMO

OBJECTIVES: It was recently proposed that a costoclavicular (CC) approach can be used in ultrasound (US)-guided infraclavicular brachial plexus block (BPB). In this study, we hypothesized that triple injections in each of the 3 cords in the CC space would result in a greater spread in the 4 major terminal nerves of the brachial plexus than a single injection in the CC space without increasing the local anesthetic (LA) volume. METHODS: Sixty-eight patients who underwent upper extremity surgery randomly received either a single injection (SI group, n = 34) or a triple injection (TI group, n = 34) using the CC approach. Ten milliliters of 2% lidocaine, 10 mL of 0.75% ropivacaine, and 5 mL of normal saline were used for BPB in each group (total 25 mL). Sensory-motor blockade of the ipsilateral median, radial, ulnar, and musculocutaneous nerves was assessed by a blinded observer at 5 minutes intervals for 30 minutes immediately after LA administration. RESULTS: Thirty minutes after the block, the blockage rate of all 4 nerves was significantly higher in the TI group than in the SI group (52.9% in the SI group vs 85.3% in the TI group, P = .004). But there was no significant difference in the anesthesia grade between the 2 groups (P = .262). The performance time was similar in the 2 groups (3.0 ±â€Š0.9 minutes in the SI group vs 3.2 ±â€Š1.2 minutes in the TI group, respectively; P = .54). DISCUSSION: The TI of CC approach increased the consistency of US-guided infraclavicular BPB in terms of the rate of blocking all 4 nerves without increasing the procedure time despite administering the same volume of the LA.


Assuntos
Anestésicos Locais/administração & dosagem , Bloqueio do Plexo Braquial/métodos , Antebraço/cirurgia , Mãos/cirurgia , Lidocaína/administração & dosagem , Ropivacaina/administração & dosagem , Adulto , Clavícula , Feminino , Humanos , Injeções/métodos , Injeções/estatística & dados numéricos , Masculino , Pessoa de Meia-Idade , Método Simples-Cego , Resultado do Tratamento
3.
Anesth Analg ; 131(5): 1599-1606, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-33079884

RESUMO

BACKGROUND: Oxycodone has been shown to be an effective analgesic for early postoperative analgesia, especially for abdominal operations associated with severe visceral pain. However, the dose needed varies depending on the operation and application of multimodal analgesia, such as local ropivacaine wound infiltration. Therefore, we conducted this study to estimate the median effective dose (ED50) of oxycodone that provides analgesia for hysterectomy and myomectomy with local ropivacaine wound infiltration. METHODS: In this dose-finding study, the ED50 of oxycodone for postoperative analgesia was estimated separately for laparoscopic hysterectomy, transabdominal hysterectomy, laparoscopic myomectomy, and transabdominal myomectomy. We used the sequential allocation designed by Dixon. Trials were conducted simultaneously in the 4 surgical type groups. A predefined dose of oxycodone was injected 30 minutes before the end of the operation with an initial dose of 0.1 mg/kg. A series of trials were performed following the rule of a relative 10% increase in dose after inadequate analgesia and a relative 10% decrease in dose after adequate analgesia. The study was conducted until the collection of 7 crossover points was achieved. Local ropivacaine wound infiltration was administered during abdominal stitching. The mean blood pressure (MBP) and heart rate (HR) were analyzed to assess the hemodynamic changes associated with oxycodone administration. RESULTS: A total of 113 patients were included in the estimation of ED50: 28 each in the laparoscopic hysterectomy group and transabdominal myomectomy group, 27 in the transabdominal hysterectomy group, and 30 in the laparoscopic myomectomy group. The estimated oxycodone ED50 (95% confidence interval [CI]) after laparoscopic hysterectomy, transabdominal hysterectomy, laparoscopic myomectomy, and transabdominal myomectomy was 0.060 mg/kg (0.053-0.068), 0.079 mg/kg (0.072-0.086), 0.060 mg/kg (0.051-0.071), and 0.092 mg/kg (0.086-0.098), respectively, for postoperative analgesia with local ropivacaine wound infiltration. The ED50 of oxycodone was different between laparoscopic surgeries and transabdominal surgeries (P < .001). The MBP and HR before and after oxycodone injection were different, regardless of surgical type. CONCLUSIONS: The oxycodone ED50 for postoperative analgesia was lower for laparoscopic hysterectomy (0.060 mg/kg) and laparoscopic myomectomy (0.060 mg/kg) than for transabdominal hysterectomy (0.079 mg/kg) and transabdominal myomectomy (0.092 mg/kg) when combined with local ropivacaine wound infiltration. A single intravenous injection of oxycodone is associated with an acceptable decrease in MBP and HR within a short time.


Assuntos
Analgésicos Opioides/administração & dosagem , Analgésicos Opioides/uso terapêutico , Anestésicos Locais/uso terapêutico , Histerectomia/efeitos adversos , Oxicodona/administração & dosagem , Oxicodona/uso terapêutico , Dor Pós-Operatória/tratamento farmacológico , Ropivacaina/uso terapêutico , Miomectomia Uterina/efeitos adversos , Adulto , Anestesia Local , Anestésicos Locais/administração & dosagem , Pressão Sanguínea/efeitos dos fármacos , Relação Dose-Resposta a Droga , Método Duplo-Cego , Feminino , Frequência Cardíaca/efeitos dos fármacos , Humanos , Injeções Intravenosas , Laparoscopia , Pessoa de Meia-Idade , Medição da Dor , Estudos Prospectivos , Ropivacaina/administração & dosagem
4.
Medicine (Baltimore) ; 99(35): e21881, 2020 Aug 28.
Artigo em Inglês | MEDLINE | ID: mdl-32871917

RESUMO

BACKGROUND: Pain control after total knee arthroplasty has shown many advances; however, the optimal method remains controversial. The purpose of this present study is to assess the efficacy and safety of the addition of local infiltration analgesia to adductor canal block for pain control after primary total knee arthroplasty. METHODS: This prospective randomized controlled research was conducted from January 2018 to June 2019. All the patients and their family members signed the informed consent forms, and this work was authorized via the ethics committee of Jinxiang Hospital Affiliated to Jining Medical College (JXHP0024578). Inclusion criteria were 55 years old or older, who possess the physical status I-III of American Society of Anesthesiologists, and the body mass index in the range of 18 to 30 kg/m. Exclusion criteria were regional and/or neuroaxial anesthesia contraindications, the history of drug allergy involved in the research, neuropathic pain, as well as the chronic pain requiring opioid therapy. Seventy-two patients were divided into 2 groups randomly. Study group (n = 36) received both adductor canal block and local infiltration analgesia. Control group (n = 36) received adductor canal block alone. Primary outcome included postoperative pain score (visual analog scale 0 to 10 cm, in which 0 represents no pain and 10 represents the most severe imaginable pain). The measures of secondary outcome included the knee range of motion, opioid consumption, the hospital stay length as well as the postoperative complications (for instance, pulmonary embolism, deep vein thrombosis, and the wound infection). All the analyses were conducted through utilizing the SPSS for Windows Version 20.0. RESULTS: The results will be shown in .(Table is included in full-text article.) CONCLUSION:: The study will provide more evidence on the combination use of adductor canal block and local infiltration analgesia in the treatment of pain after the total knee arthroplasty. TRIAL REGISTRATION: This study protocol was registered in Research Registry (researchregistry5832).


Assuntos
Anestésicos Locais/administração & dosagem , Artroplastia do Joelho , Bloqueio Nervoso , Dor Pós-Operatória/tratamento farmacológico , Analgésicos Opioides/uso terapêutico , Bupivacaína/administração & dosagem , Humanos , Injeções Intra-Articulares , Articulação do Joelho , Tempo de Internação , Ensaios Clínicos Controlados Aleatórios como Assunto , Amplitude de Movimento Articular , Ropivacaina/administração & dosagem , Escala Visual Analógica
5.
Medicine (Baltimore) ; 99(36): e22113, 2020 Sep 04.
Artigo em Inglês | MEDLINE | ID: mdl-32899094

RESUMO

OBJECTIVE: Effective analgesia during delivery can not only decrease pain, but also have a significant function in ensuring the safety of baby and mother. Sufentanil is generally used opioid with ropivacaine in epidural anesthesia in labor pain management; however it can cause some adverse reaction. Dexmedetomidine is an a2-adrenoceptor agonist with high selectivity. It possesses opioid-sparing and analgesic effects and it is suitable for the long-term and short-term intraoperative sedation. The purpose of this present study is to compare the analgesic effect of ropivacaine with dexmedetomidine against ropivacaine with sufentanyl in epidural labor. METHODS: This is a single center, placebo-controlled randomized trial which will be performed from May 2020 to May 2021. It was authorized via the Institutional Review Committee in the first medical center of Chinese PLA General Hospital (S2018-211-0). One hundred sixty full-term protozoa are included in this work. They are randomly divided into four groups (n = 40 per group): the RD1 group (with the epidural administration of 0.125% ropivacaine + dexmedetomidine of 0.5 µg/mL), and the RD2 group (with the epidural administration of 0.08% ropivacaine + dexmedetomidine 0.5 µg/mL), the RS1 group (with the epidural administration of 0.125% ropivacaine + sufentanil of 0.5 µg/mL), as well as RS2 group (with the epidural administration of 0.08% ropivacaine + sufentanil of 0.5 µg/mL). Clinical outcomes are pain score, a modified Bromage scale, the Ramsay Sedation Scale, and adverse reactions during analgesia. All the needed analyses are implemented through utilizing SPSS for Windows Version 20.0. RESULTS: The first table shows the clinical outcomes between these four groups. CONCLUSION: This current work can provide a primary evidence regarding the clinical outcomes of dexmedetomidine versus sufentanil for labor epidural analgesia. TRIAL REGISTRATION: This study protocol was registered in Research Registry (researchregistry5877).


Assuntos
Analgesia Obstétrica/métodos , Analgésicos/uso terapêutico , Anestésicos Locais/uso terapêutico , Dexmedetomidina/uso terapêutico , Ropivacaina/uso terapêutico , Sufentanil/uso terapêutico , Analgesia Epidural/métodos , Analgésicos/administração & dosagem , Analgésicos/efeitos adversos , Analgésicos não Entorpecentes/uso terapêutico , Analgésicos Opioides/uso terapêutico , Anestésicos Locais/administração & dosagem , Anestésicos Locais/efeitos adversos , Dexmedetomidina/administração & dosagem , Dexmedetomidina/efeitos adversos , Quimioterapia Combinada , Feminino , Humanos , Gravidez , Ropivacaina/administração & dosagem , Ropivacaina/efeitos adversos , Sufentanil/administração & dosagem , Sufentanil/efeitos adversos
6.
Medicine (Baltimore) ; 99(37): e22158, 2020 Sep 11.
Artigo em Inglês | MEDLINE | ID: mdl-32925776

RESUMO

BACKGROUND: Pain management after the total joint arthroplasty is still challenging, but worthy of attention, because good pain management can improve the outcomes of patient. It is still controversial whether fascia iliaca compartment block (FICB) can effectively decrease the opioid consumption and pain after total hip replacement (THR) owing to the number of published investigations is small. The purpose of this present study is to assess the efficacy and safety of FICB for postoperative analgesia after THR. METHODS: This is a single center, placebo-controlled randomized trial which is performed in accordance with the SPIRIT Checklist for randomized studies. It was authorized via the Chifeng Municipal Hospital institutional review committee (H2020-19-8). 100 patients undergoing THR will be included in this study. Patients are randomly divided into 2 groups: FICB group or Non-FICB group, FICB with 5mgmL of epinephrine and 40 mL of ropivacaine 0.2%. Primary outcomes are pain score at different time point. Visual analog scale is used to assess the pain (10: the maximum possible pain and 0: absent pain). The secondary outcomes are the postoperative complications, length of hospital stay and total consumption of opioid. All the needed analyses are implemented through utilizing SPSS for Windows Version 15.0. RESULTS: Figure 1 will show the primary and secondary outcomes. CONCLUSION: This trial can provide an evidence for the use of FICB for analgesia after THR.


Assuntos
Artroplastia de Quadril/métodos , Bloqueio Nervoso/métodos , Dor Pós-Operatória/prevenção & controle , Analgésicos Opioides/administração & dosagem , Artroplastia de Quadril/efeitos adversos , Epinefrina/administração & dosagem , Humanos , Tempo de Internação , Complicações Pós-Operatórias/epidemiologia , Ropivacaina/administração & dosagem
7.
Clin Interv Aging ; 15: 937-944, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32606635

RESUMO

Background: Pectoral nerve block type I (PECS I Block) and type II (PECS II Block) with ropivacaine are relatively new analgesic methods for breast-cancer surgery. We evaluated the safety and efficacy of different concentrations of ropivacaine given in the same volume for the PECS II Block in patients undergoing modified radical mastectomy (MRM). Patients and Methods: One hundred and twenty women undergoing elective MRM who met inclusion criteria were divided randomly into four groups of 30: control group without PECS II Block and R0.2%, R0.3%, and R0.4% groups, who received general anesthesia plus the PECS II Block with ropivacaine at 0.2%, 0.3%, and 0.4%, respectively, in a volume of 40 mL. Results: The postoperative numerical rating scale (NRS) pain score at rest and active was significantly higher in the control group than that in the three ropivacaine groups (P<0.05 for all), and the postoperative NRS score in the R0.3% group and R0.4% group at 12, 24, and 48 h postoperatively were significantly lower than that in the R0.2% group (P<0.05 for all); there was no significant difference between the R0.3% group and R0.4% group. The time when pain was first felt after MRM, the total number of complaints during 3, 6, 12, 24, and 48 h after MRM, and the total analgesic requirement (tramadol consumption) during the first 24 h postoperatively in the R0.3% group and R0.4% group were significantly lower than those in the control group and R0.2% group (P<0.05 for all); there was no significant difference between the R0.3% group and R0.4% group. Conclusion: A dose of 0.3% ropivacaine was the optimal concentration for a PECS II Block for patients undergoing MRM because it provided efficacious analgesia during and >48 h after MRM. Increasing the ropivacaine concentration did not improve the analgesia of the PECS II Block significantly.


Assuntos
Anestésicos Locais/administração & dosagem , Bloqueio Nervoso/métodos , Dor Pós-Operatória/prevenção & controle , Ropivacaina/administração & dosagem , Nervos Torácicos/efeitos dos fármacos , Anestésicos Locais/efeitos adversos , Estudos de Casos e Controles , Feminino , Humanos , Mastectomia Radical Modificada/métodos , Pessoa de Meia-Idade , Bloqueio Nervoso/efeitos adversos , Manejo da Dor/métodos , Dor Pós-Operatória/dietoterapia , Período Pós-Operatório , Ropivacaina/efeitos adversos
8.
J Surg Res ; 254: 318-326, 2020 10.
Artigo em Inglês | MEDLINE | ID: mdl-32512380

RESUMO

BACKGROUND: To evaluate the efficacy of continuous wound infiltration with ropivacaine to reduce acute postoperative pain in patients undergoing mastectomy for carcinoma of the breast. MATERIALS AND METHODS: A randomized, double-blind, placebo-controlled trial was conducted. One hundred fifty patients were randomly assigned to receive continuous ropivacaine (0.2%) (group A, n = 74) or saline solution (0.9%) (group B, n = 76) at 10 mL/h for 48 h through a multilumen catheter placed during the surgical procedure. Postoperative morphine consumption and visual analog scale (VAS) pain scores were recorded. A quality of life score (Quality of life questionnaire Core 30) and a VAS score were obtained at 1, 3, and 6 mo after surgery. RESULTS: The difference in mean morphine consumption between the two groups was close to significance during the first 48 h postsurgery (P = 0.056; 10.8 ± 16.5 versus 4.8 ± 10.4 mg). At day 1, patients in the ropivacaine-infusion group had lower morphine consumption than the control group (P = 0.0026). The link between local ropivacaine infiltration and a decrease in mean postoperative VAS scores reached significance for the first 24 h postsurgery (P = 0.039). No significant difference was found between the two arms for VAS pain scores (P = 0.36) or for quality of life (overall QLQ-C30 score, P = 0.09) at 1, 3, or 6 mo. CONCLUSIONS: Continuous wound infiltration with ropivacaine is efficacious in reducing postoperative pain. Quality of life and chronic pain at 1, 3, and 6 mo were not improved by ropivacaine wound infiltration.


Assuntos
Anestésicos Locais/administração & dosagem , Mastectomia/efeitos adversos , Dor Pós-Operatória/prevenção & controle , Ropivacaina/administração & dosagem , Idoso , Anestesia Local , Método Duplo-Cego , Feminino , Humanos , Pessoa de Meia-Idade , Dor Pós-Operatória/etiologia
9.
J Shoulder Elbow Surg ; 29(7): 1310-1315, 2020 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-32553436

RESUMO

BACKGROUND: We investigated the effectiveness of cocktail therapy after arthroscopic rotator cuff repair (ARCR). METHODS: We evaluated 128 shoulders undergoing ARCR and used block randomization to divide patients into 2 groups in this double-blind trial: The cocktail group received 20 mL of 0.75% ropivacaine, 5 mg of morphine, 0.3 mg of epinephrine, 2 mg of betamethasone, and saline solution to a total of 42 mL, whereas the control group received 20 mL of 0.75% ropivacaine and saline solution to a total of 42 mL. Postoperatively, one of the drug mixtures was injected into the glenohumeral joint, subacromial bursa, suprascapular nerve, and anterior, middle, and posterior parts of the deltoid muscle according to the treatment group. We recorded patients' visual analog scale scores preoperatively and at 4, 8, 16, 24, and 48 hours postoperatively; the number of patients using postoperative diclofenac suppositories and buprenorphine hydrochloride; the number of patients experiencing nausea; the number of patients with infection and delayed wound healing as adverse effects; the surgery time; the retear rate; and passive shoulder range of motion. RESULTS: The cocktail group constituted 64 shoulders (50.0%), with 39 men (60.9%) and 25 women (39.1%); the mean age was 64.2 ± 10.2 years. The control group constituted 64 shoulders (50.0%), with 41 men (64.1%) and 23 women (35.9%); the mean age was 65.2 ± 7.5 years. We found no significant difference in age or sex between the 2 groups. There was also no significant difference in rotator cuff tear size or surgery time between the 2 groups. The visual analog scale scores at 8, 16, and 24 hours postoperatively were significantly lower in the cocktail group. The number of patients using suppositories was also significantly lower in the cocktail group. The number of patients receiving buprenorphine injections tended to be lower in the cocktail group, but the difference was not significant. Nausea occurred in 6.3% of patients in the cocktail group and 15.6% in the control group, but the difference was not significant. No infection or delayed wound healing occurred in either group. There was no significant difference in the retear rate between the 2 groups. Passive anterior elevation at 3 months postoperatively was significantly better in the cocktail group than in the control group. CONCLUSION: We compared cocktail therapy and ropivacaine after ARCR and found no difference in results except for VAS score at 8, 16, and 24 hours postoperatively and frequency of postoperative suppository use without an apparent risk of infection or a detrimental effect on tendon healing.


Assuntos
Anestésicos Locais/uso terapêutico , Artroscopia/efeitos adversos , Manejo da Dor/métodos , Dor Pós-Operatória/tratamento farmacológico , Ropivacaina/uso terapêutico , Lesões do Manguito Rotador/cirurgia , Adulto , Idoso , Idoso de 80 Anos ou mais , Analgésicos Opioides/uso terapêutico , Anestésicos Locais/administração & dosagem , Anti-Inflamatórios não Esteroides/uso terapêutico , Betametasona/uso terapêutico , Buprenorfina/uso terapêutico , Diclofenaco/uso terapêutico , Método Duplo-Cego , Quimioterapia Combinada , Epinefrina/uso terapêutico , Feminino , Humanos , Injeções Intra-Articulares , Injeções Intramusculares , Masculino , Pessoa de Meia-Idade , Morfina/uso terapêutico , Náusea/etiologia , Bloqueio Nervoso , Duração da Cirurgia , Amplitude de Movimento Articular , Recidiva , Ropivacaina/administração & dosagem , Articulação do Ombro , Infecção da Ferida Cirúrgica/etiologia , Vasoconstritores/uso terapêutico , Cicatrização
10.
Medicine (Baltimore) ; 99(22): e20298, 2020 May 29.
Artigo em Inglês | MEDLINE | ID: mdl-32481399

RESUMO

Continuous epidural analgesia (CEA) using local anesthetics is frequently used to control herpes zoster pain and prevent postherpetic neuralgia (PHN). However, few studies have been conducted to determine the efficacy of epidural drugs administered as CEA to manage PHN. This retrospective study was designed to evaluate the effectiveness of CEA with ropivacaine alone or with ropivacaine and fentanyl for controlling pain caused by PHN.We reviewed the medical records of 71 patients. We studied 2 groups: epidural ropivacaine (ER; CEA with ropivacaine alone; n = 44) and epidural ropivacaine and fentanyl (Epidural ropivacaine and fentanyl (ERF); CEA with ropivacaine and fentanyl; n = 27). To evaluate pain, a numeric rating scale (NRS) was evaluated at 6 time points: immediately before the procedure (baseline NRS score); 1 hour after the procedure; 14 days after the procedure; and 1, 3, and 6 months after the procedure. Complication rates were recorded during CEA. We also investigated whether additional invasive procedures were needed due to insufficient pain control during the 6-month follow-up period.After adjusting for confounding variables, there were no significant differences in the NRS scores between the 2 groups at any time point. The adjusted odds ratio for additional invasive procedures within 6 months after CEA was 1.03-times higher in the ERF group than in the ER group, but this difference was not statistically significant (95% confidence interval: 0.33-3.23, P = .96). Rates of complication (dysuria, vomiting, nausea, itching sensation, and hypotension) during CEA were higher in the ERF group than in the ER group. However, the differences were not statistically significant.There was no difference in the management of pain in patients with PHN between the groups. Epidural administration of fentanyl with ropivacaine did not improve pain management when compared to ropivacaine alone. Although not statistically significant, the incidence of complications during CEA was higher in the opioid combination group.


Assuntos
Analgesia Epidural/métodos , Anestésicos Intravenosos/uso terapêutico , Anestésicos Locais/uso terapêutico , Fentanila/uso terapêutico , Neuralgia Pós-Herpética/tratamento farmacológico , Ropivacaina/uso terapêutico , Idoso , Anestésicos Intravenosos/administração & dosagem , Anestésicos Intravenosos/efeitos adversos , Anestésicos Locais/administração & dosagem , Anestésicos Locais/efeitos adversos , Quimioterapia Combinada , Feminino , Fentanila/administração & dosagem , Fentanila/efeitos adversos , Humanos , Masculino , Pessoa de Meia-Idade , Medição da Dor , Estudos Retrospectivos , Ropivacaina/administração & dosagem , Ropivacaina/efeitos adversos
11.
Ann Palliat Med ; 9(2): 447-450, 2020 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-32268771

RESUMO

BACKGROUND: To investigate the effectiveness and rationality of different administration modes of dexmedetomidine with 0.5% ropivacaine on intercostal nerve block. METHODS: In total, 150 patients aged from 20-45 years with a body mass index (BMI): 18.5-23.9 kg/m2, met the criteria from the American Society of Anesthesiologists (ASA) class: I-II, and underwent lumpectomy in our center were equally randomized into three groups using a table of random numbers. Group D1: perineural administration of dexmedetomidine 0.5 µg/kg + intercostal nerve block with 0.5% ropivacaine; group D2: intravenous infusion of dexmedetomidine0.5 µg/kg + intercostal nerve block with 0.5% ropivacaine; and group R: intercostal nerve block with 0.5% ropivacaine. The Numerical Rating Scale (NRS) of pain and the Ramsay Sedation Scale were used for assessing pain and sedation levels 4, 8, 12, and 24 hours after the operation. The total duration of analgesia, total requirement of rescue analgesia, and adverse reactions were recorded. RESULTS: The NRS scores in groups D1 and D2 were significantly lower than that in group R, 8 hours after the operation (both P<0.05), and the NRS score in group D1 was significantly lower than in group D2 12 hours after the operation (P<0.05). The Ramsay scores showed no significant differences among all three groups at all time points after surgery. The duration of analgesia in group D1 was significantly longer than in group D2 (P<0.05). No rescue analgesia was needed in all three groups, and no adverse reactions such as dizziness, dry mouth, nausea, vomiting, and respiratory depression were reported. CONCLUSIONS: The combinations of dexmedetomidine with ropivacaine for intercostal nerve blocking can prolong the duration of analgesia after lumpectomy; however, the duration of analgesia is longer via the perineural route than via the intravenous route.


Assuntos
Analgesia/métodos , Anestésicos Locais/administração & dosagem , Dexmedetomidina/administração & dosagem , Bloqueio Nervoso/métodos , Dor Pós-Operatória/prevenção & controle , Ropivacaina/administração & dosagem , Adulto , Analgésicos não Entorpecentes/administração & dosagem , Feminino , Humanos , Nervos Intercostais/efeitos dos fármacos , Masculino , Estudos Prospectivos , Adulto Jovem
12.
Rev. esp. anestesiol. reanim ; 67(4): 179-186, abr. 2020. tab, graf
Artigo em Espanhol | IBECS | ID: ibc-ET5-1112

RESUMO

INTRODUCCIÓN: Una de las ventajas de utilizar bolos epidurales es que se ejerce mayor presión de inyección y por tanto más difusión produciendo un mayor bloqueo sensitivo. Por tanto si a mayor velocidad de administración del bolo más presión se ejerce cabe esperar que el nivel sensitivo alcanzado sea mayor. OBJETIVO: Nuestro objetivo fue comparar el nivel sensitivo alcanzado con el set de alto flujo y el de flujo estándar a velocidades máximas. MATERIAL Y MÉTODOS: Se incluyeron setenta y tres gestantes primíparas que solicitaron analgesia epidural utilizando bolos epidurales intermitentes programados a 10ml cada 60 min de ropivacaína al 0,1% con fentanilo 2ug/ml más analgesia epidural controlada por la paciente. Dichos bolos se administraron con set de infusión estándar a 250ml/h o de alto flujo a 500ml/h según la práctica clínica habitual de cada anestesiólogo. El objetivo primario fue evaluar el nivel sensitivo alcanzado. Los objetivos secundarios fueron la escala visual analógica, la escala modificada de Bromage y el consumo anestésico en términos de analgesia de rescate (analgesia epidural controlada por la paciente y bolos administrados por el anestesiólogo). RESULTADOS: La mediana del nivel sensitivo máximo fue T9 en el grupo de alto flujo y T7 en el de flujo estándar, siendo dicha diferencia significativa estadísticamente (P=0,0002). No hubo diferencias significativas en la escala visual analógica, Bromage o analgesia de rescate. CONCLUSIÓN: El set de alto flujo no ofrece beneficios en cuanto a los resultados analizados por lo que hay que valorar su uso ya que conlleva un coste adicional


INTRODUCTION: The higher injection pressure obtained with epidural boluses give greater anaesthetic spread, and therefore better sensory block. Therefore, it stands to reason that anaesthetic administered at greater injection pressure and a higher flow rate would spread to a higher sensory level. OBJECTIVE: Our aim was to compare the sensory level reached with the high flow. and standard flow set at maximum rates. MATERIAL AND METHODS: We included 73 primiparous women who requested epidural analgesia for labour using programmed intermittent epidural boluses of 0.1% ropivacaine at a flow rate of 10ml/h and 2 ug/ml fentanyl plus patient-controlled epidural analgesia. The boluses were administered with a standard (250ml/h) or high-flow (500ml/h) infusion set, according to the usual clinical practice of each anaesthesiologist. The primary objective was to evaluate the sensory level reached. Secondary objectives were pain on a visual analogue scale, motor block measured on the modified Bromage scale, and anaesthesia consumption in terms of rescue analgesia (patient-controlled epidural analgesia) and anaesthesiologist-administered boluses. RESULTS: The median maximum sensory level reached was T9 in the high flow group and T7 in the standard flow group; this difference was statistically significant (p=.0002). There were no significant differences in visual analogue scale, Bromage or rescue analgesia between groups. CONCLUSION: Our results show that the high flow set does not offer benefits. The use of such sets need to be evaluated due to their higher cost


Assuntos
Humanos , Feminino , Gravidez , Adolescente , Adulto Jovem , Adulto , Pessoa de Meia-Idade , Analgesia Epidural/métodos , Analgesia Obstétrica/métodos , Anestésicos Locais , Anestésicos Locais/administração & dosagem , Dor do Parto/tratamento farmacológico , Ropivacaina/administração & dosagem , Fentanila/administração & dosagem , Infusão Espinal/métodos , Escala Visual Analógica , Manejo da Dor , Estudos Prospectivos
13.
Sci Rep ; 10(1): 3761, 2020 02 28.
Artigo em Inglês | MEDLINE | ID: mdl-32111916

RESUMO

Analgesic effect of transversus abdominis plane block (TAP block) in lower major abdominal laparoscopic surgery with about 5 cm of maximum surgical scar has been controversial. We hypothesized that TAP block has benefits, so the analgesic effect of TAP block after robot-assisted laparoscopic prostatectomy (RALP) was evaluated. One hundred patients were enrolled in this prospective, double-blinded, randomized study. Standardized general anesthesia with wound infiltration on camera port and fentanyl dose limit of 3 µg/kg was provided. Ultrasound-guided, single-shot subcostal TAP block with either 0.375% ropivacaine (Ropivacaine group, 48 patients) or normal saline (Control group, 52 patients) was performed by anesthesiologist in charge (34 anesthesiologists) after surgical procedure. Pain score using numerical rating scale (NRS) and postoperative intravenous fentanyl were evaluated for the first 24 postoperative hours. Median values (interquartile range) of NRS scores when the patients were transferred to post-anesthesia care unit (PACU) were 5 (2-7) in Ropivacaine group and 6 (4-8) in Control group at rest (P = 0.03), 5 (2-8) in Ropivacaine group and 7 (5-8) in Control group during movement (P < 0.01). These significant differences disappeared at the time of discharging PACU. Fentanyl doses for the first 24 postoperative hours were 210 µg (120-360) in Ropivacaine group and 200 µg (120-370) in Control group (P = 0.79). These results indicated that subcostal TAP block by anesthesiologists of varied level of training reduced postoperative pain immediate after RALP. TAP block had fundamental analgesic effect, but this benefit was too small to reduce postoperative 24-hour fentanyl consumption.


Assuntos
Anestesia Geral , Fentanila/administração & dosagem , Dor Pós-Operatória/prevenção & controle , Prostatectomia , Procedimentos Cirúrgicos Robóticos , Ropivacaina/administração & dosagem , Idoso , Humanos , Masculino , Pessoa de Meia-Idade , Dor Pós-Operatória/fisiopatologia , Período Pós-Operatório , Estudos Prospectivos
14.
Knee Surg Sports Traumatol Arthrosc ; 28(4): 1169-1176, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32112126

RESUMO

PURPOSE: Pain management after total knee arthroplasty (TKA) is still under debate. Continuous peripheral nerve blocks (PNB) can provide long pain relief but impair muscle function. Continuous intraarticular analgesia could result in longer pain relief than local infiltration analgesia without negative effects on muscle function. This study investigated the efficacy of pain control between PNB's and continuous intraarticular analgesia after TKA. METHODS: A prospective randomized study on 140 patients undergoing TKA was performed. Patients received either a combination of continuous femoral nerve block, continuous sciatic nerve block and single-shot obturator nerve block (group R) or a local infiltration analgesia and a continuous intraarticular catheter with ropivacaine (group L). Primary outcome was pain measured on a numerical rating scale. Knee function, patient-reported outcome (PRO) and adverse events were assessed until 1 year after surgery. RESULTS: Pain at rest was lower in group R on the day of surgery (mean NRS 3.0 vs. 4.2) and the morning of postoperative day 1 (mean NRS 3.4 vs. 4.4). Motor blockade longer than postoperative day 3 occurred more often in group R compared to group L (15.3% vs. 1.5%). Pain levels, PRO and satisfaction 3-month and 1-year after surgery were similar. CONCLUSION: Continuous PNB's were slightly more effective in the first 24 h after surgery but were associated more often with motor blockade which should be avoided. It must be balanced if the small amount of better pain relief immediately after surgery justifies the risks associated with motor blockade following PNB's. LEVEL OF EVIDENCE: I.


Assuntos
Anestésicos Locais/administração & dosagem , Artroplastia do Joelho/efeitos adversos , Bloqueio Nervoso , Dor Pós-Operatória/prevenção & controle , Idoso , Feminino , Nervo Femoral , Seguimentos , Humanos , Joelho/cirurgia , Articulação do Joelho/cirurgia , Pessoa de Meia-Idade , Bloqueio Nervoso/efeitos adversos , Nervo Obturador , Manejo da Dor , Dor Pós-Operatória/etiologia , Estudos Prospectivos , Ropivacaina/administração & dosagem , Nervo Isquiático
15.
Medicine (Baltimore) ; 99(11): e19040, 2020 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-32176031

RESUMO

Traditional high ligation and stripping (THLS) is a routine operation for varicose veins. However, THLS is accompanied with postoperative subcutaneous ecchymosis and pain. In this current study, we aimed to explore the effect of tumescence solution (TS) combined with negative pressure wound therapy (NPWT) on the relief of subcutaneous ecchymosis and pain after THLS of great saphenous vein.A total of 180 patients receiving THLS were enrolled in group A, and 120 patients undergoing THLS and TS combined with NPWT were assigned into group B. The occurrences of subcutaneous ecchymosis and pain were recorded. Moreover, the total area of subcutaneous ecchymosis was estimated by the grid method. Visual analogue scale (VAS) score was used to assess the pain level of both groups.Preoperative characteristics were not significantly different between 2 groups. Postoperative ecchymosis occurred in 112 cases (62.2%) of group A and 41 cases (34.2%) of group B. The area of ecchymosis in group A (66.6 ±â€Š44.5) cm was larger than that in group B (25.2 ±â€Š19.9) cm. The number of patients without obvious pain in group A (57, 31.7%) was significantly less than that in group B (77, 64.2%) after operation. In addition, VAS score in group A (3.1 ±â€Š2.6) was higher than that in group B (2.2 ±â€Š1.9).In conclusion, the application of TS combined with NPWT in THLS can not only alleviate subcutaneous ecchymosis and pain, but also prevent the occurrence of subcutaneous ecchymosis and pain after operation. Therefore, it is conducive to postoperative recovery and is suitable for clinical application.


Assuntos
Equimose/terapia , Epinefrina/uso terapêutico , Tratamento de Ferimentos com Pressão Negativa/métodos , Ropivacaina/uso terapêutico , Veia Safena/cirurgia , Varizes/cirurgia , Adulto , Epinefrina/administração & dosagem , Feminino , Humanos , Masculino , Dor Pós-Operatória/terapia , Complicações Pós-Operatórias/terapia , Estudos Retrospectivos , Ropivacaina/administração & dosagem
16.
BMC Vet Res ; 16(1): 88, 2020 Mar 16.
Artigo em Inglês | MEDLINE | ID: mdl-32178668

RESUMO

BACKGROUND: Infiltration of the surgical site with local anesthetics combined with nonsteroidal anti-inflammatory drugs may play an important role in improving perioperative pain control. This prospective, randomized, blinded, controlled clinical trial aimed to evaluate intraoperative isoflurane requirements, postoperative analgesia, and adverse events of infiltration of the surgical site with ropivacaine alone and combined with meloxicam in cats undergoing ovariohysterectomy. Forty-five cats premedicated with acepromazine/meperidine and anesthetized with propofol/isoflurane were randomly distributed into three treatments (n = 15 per group): physiological saline (group S), ropivacaine alone (1 mg/kg, group R) or combined with meloxicam (0.2 mg/kg, group RM) infiltrated at the surgical site (incision line, ovarian pedicles and uterus). End-tidal isoflurane concentration (FE'ISO), recorded at specific time points during surgery, was adjusted to inhibit autonomic responses to surgical stimulation. Pain was assessed using an Interactive Visual Analog Scale (IVAS), UNESP-Botucatu Multidimensional Composite Pain Scale (MCPS), and mechanical nociceptive thresholds (MNT) up to 24 h post-extubation. Rescue analgesia was provided with intramuscular morphine (0.1 mg/kg) when MCPS was ≥6. RESULTS: Area under the curve (AUC) of FE'ISO was significantly lower (P < 0.0001) in the RM (17.8 ± 3.1) compared to S (23.1 ± 2.2) and R groups (22.8 ± 1.1). Hypertension (systolic arterial pressure > 160 mmHg) coinciding with surgical manipulation was observed only in cats treated with S and R (4/15 cats, P = 0.08). The number of cats receiving rescue analgesia (4 cats in the S group and 1 cat in the R and RM groups) did not differ among groups (P = 0.17). The AUC of IVAS, MCPS and MNT did not differ among groups (P = 0.56, 0.64, and 0.18, respectively). Significantly lower IVAS pain scores were recorded at 1 h in the RM compared to the R and S groups (P = 0.021-0.018). There were no significant adverse effects during the study period. CONCLUSIONS: Local infiltration with RM decreased intraoperative isoflurane requirements and resulted in some evidence of improved analgesia during the early postoperative period. Neither R nor RM infiltration appeared to result in long term analgesia in cats undergoing ovariohysterectomy.


Assuntos
Gatos/cirurgia , Histerectomia/veterinária , Meloxicam/farmacologia , Ovariectomia/veterinária , Dor Pós-Operatória/veterinária , Ropivacaina/farmacologia , Anestésicos Locais/administração & dosagem , Anestésicos Locais/efeitos adversos , Anestésicos Locais/farmacologia , Animais , Feminino , Meloxicam/administração & dosagem , Meloxicam/efeitos adversos , Dor Pós-Operatória/prevenção & controle , Assistência Perioperatória , Ropivacaina/administração & dosagem , Ropivacaina/efeitos adversos
17.
Pain Physician ; 23(2): E211-E218, 2020 03.
Artigo em Inglês | MEDLINE | ID: mdl-32214306

RESUMO

BACKGROUND: Percutaneous endoscopic lumbar discectomy (PELD) can only relieve mechanical compression but cannot directly reduce the inflammatory reaction of the adjacent nerve root, which contributes to persistent pain and physical disabilities postoperatively. Numerous studies have explored the application of epidural steroids after an open lumbar discectomy in relieving pain by reducing local inflammatory reactions and further peridural scar formation. OBJECTIVES: To explore that whether "cocktail treatment" in which a gelatin sponge was impregnated with ropivacaine, dexamethasone, and vitamin B12 promoted early postoperative recovery after PELD. STUDY DESIGN: Retrospective, case-controlled study. SETTING: All data were from Hong-Hui Hospital in Xi'an. METHODS: Between January 2016 and January 2017, 100 patients of single-level lumbar disc herniation were treated with PELD in our hospitals. The cocktail treatment was applied in the first 50 patients (group cocktail), and an equal size gelatin sponge without drugs was used in the other 50 patients as control (group noncocktail). The clinical outcome evaluation included the Visual Analog Scale (VAS) score for back and leg pain and Oswestry Disability Index (ODI) score. RESULTS: There was a significant difference in the mean periods of return to work (4.25 ± 1.88 weeks in the cocktail group and 5.18 ± 2.19 weeks in the noncocktail group) (P < 0.01). Compared with the preoperative data, a significant improvement in VAS scores of back pain and sciatica and ODI were observed in each follow-up interval (P < 0.05, respectively). In the noncocktail group, there were visible fluctuations in the 3 indicators within the first week after surgery. This phenomenon was not observed in the cocktail group, a difference that was statistically significant (P < 0.05, respectively). In further follow-up, no significant differences were observed between the 2 groups (P > 0.05, respectively). LIMITATIONS: The nonrandomized, single-center, retrospective design is a major limitation of this study. CONCLUSIONS: The "cocktail treatment" with a gelatin sponge impregnated with ropivacaine, dexamethasone, and vitamin B12 promotes early and satisfactory back and leg pain relief and fast functional recovery after PELD. KEY WORDS: Endoscopic lumbar discectomy, lumbar disc herniation, steroids, nerve root block, gelatin sponge.


Assuntos
Período de Recuperação da Anestesia , Dexametasona/administração & dosagem , Discotomia/tendências , Endoscopia/tendências , Gelatina/administração & dosagem , Ropivacaina/administração & dosagem , Vitamina B 12/administração & dosagem , Adolescente , Adulto , Anestésicos Locais/administração & dosagem , Anti-Inflamatórios/administração & dosagem , Estudos de Casos e Controles , Discotomia/efeitos adversos , Discotomia Percutânea/efeitos adversos , Endoscopia/efeitos adversos , Feminino , Humanos , Degeneração do Disco Intervertebral/diagnóstico por imagem , Degeneração do Disco Intervertebral/cirurgia , Deslocamento do Disco Intervertebral/diagnóstico por imagem , Deslocamento do Disco Intervertebral/cirurgia , Vértebras Lombares/diagnóstico por imagem , Vértebras Lombares/cirurgia , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Adulto Jovem
18.
Br J Anaesth ; 124(5): 562-570, 2020 05.
Artigo em Inglês | MEDLINE | ID: mdl-32172954

RESUMO

BACKGROUND: Advanced-stage ovarian cancer has a poor prognosis; surgical resection with the intent to leave no residual tumour followed by adjuvant chemotherapy is the standard treatment. Local anaesthetics (LA) have anti-inflammatory and analgesic effects. We hypothesised that intraperitoneal LA (IPLA) would lead to improved postoperative recovery, better pain relief, and earlier start of chemotherapy. METHODS: This was a prospective, randomised, double-blind, placebo-controlled pilot study in 40 women undergoing open abdominal cytoreductive surgery. Patients were randomised to receive either intraperitoneal ropivacaine (Group IPLA) or saline (Group Placebo) perioperatively. Except for study drug, patients were treated similarly. Intraoperatively, ropivacaine 2 mg ml-1 or 0.9% saline was injected thrice intraperitoneally, and after operation via a catheter and analgesic pump into the peritoneal cavity for 72 h. Postoperative pain, time to recovery, home discharge, time to start of chemotherapy, and postoperative complications were recorded. RESULTS: No complications from LA administration were recorded. Pain intensity and rescue analgesic consumption were similar between groups. Time to initiation of chemotherapy was significantly shorter in Group IPLA (median 21 [inter-quartile range 21-29] vs 29 [inter-quartile range 21-40] days; P=0.021). Other parameters including time to home readiness, home discharge and incidence, and complexity of postoperative complications were similar between the groups. CONCLUSIONS: Intraperitoneal ropivacaine during and for 72 h after operation after cytoreductive surgery for ovarian cancer is safe and reduces the time interval to initiation of chemotherapy. Larger studies are warranted to confirm these initial findings. CLINICAL TRIAL REGISTRATION: NCT02256228.


Assuntos
Anestésicos Locais/administração & dosagem , Neoplasias Ovarianas/cirurgia , Ropivacaina/administração & dosagem , Adulto , Idoso , Analgésicos Opioides/administração & dosagem , Antineoplásicos/administração & dosagem , Quimioterapia Adjuvante/métodos , Procedimentos Cirúrgicos de Citorredução/efeitos adversos , Procedimentos Cirúrgicos de Citorredução/métodos , Método Duplo-Cego , Esquema de Medicação , Feminino , Humanos , Injeções Intraperitoneais , Pessoa de Meia-Idade , Morfina/administração & dosagem , Neoplasias Ovarianas/tratamento farmacológico , Manejo da Dor , Dor Pós-Operatória/prevenção & controle , Assistência Perioperatória/métodos , Projetos Piloto , Complicações Pós-Operatórias , Período Pós-Operatório
19.
Rev. esp. anestesiol. reanim ; 67(3): 153-158, mar. 2020. ilus, tab
Artigo em Espanhol | IBECS | ID: ibc-197703

RESUMO

La cirugía de corrección de la columna es un procedimiento quirúrgico invasivo que origina daño postoperatorio severo. Reportamos 6 casos de bloqueo en el plano del músculo erector de la columna para cirugía de escoliosis. Nuestro objetivo fue aportar tratamiento efectivo para el dolor perioperatorio, y lograr estabilidad hemodinámica intraoperatoria, sin interferir en la neuromonitorización. También se destacan los retos técnicos. El escáner ecoguiado es necesario para identificar las prominencias óseas y determinar los posibles puntos de inyección múltiples. El bloqueo en el plano del músculo erector de la columna en cirugía de escoliosis es una técnica más fácil y segura, en comparación con la anestesia epidural, pudiendo utilizar cirugía de columna compleja instrumentada. Este bloqueo parece desempeñar un papel en la vía del dolor perioperatorio, complementando el régimen anestésico multimodal y no interfiriendo en los potenciales evocados en adultos. Sin embargo, el mecanismo de difusión de este bloqueo es poco conocido aún y, por tanto, debemos ser conscientes de la toxicidad del anestésico local


Spinal correction surgery is a very invasive surgical procedure and results in severe postoperative pain. We report six cases in which Bilateral Erector Spinae Plane Block was performed for scoliosis surgery. Our aim was to provide an effective perioperative pain management and to achieve intraoperative hemodynamic stability with no interference on neuromonitoring. The technical challenges are also highlighted. An ultrasound guided scout scan is necessarry to identify the bony prominences and determine the possible multiple injection points. Erector Spinae Plane Block in scoliosis surgery is an easier and safer technique compared to epidural anesthesia and can use instrumented complex spinal surgery. This block seems to have a role in perioperative pain pathway complementing the multimodal analgesic regimen and not have interference with evocated potentials in adults. However the diffusion mechanism of the this block is not well known hence it should be awake regarding local anesthetic toxicity


Assuntos
Humanos , Masculino , Feminino , Criança , Adolescente , Bloqueio Neuromuscular/métodos , Anestésicos Locais/administração & dosagem , Ropivacaina/administração & dosagem , Escoliose/cirurgia , Resultado do Tratamento
20.
J Orthop Surg Res ; 15(1): 33, 2020 Jan 30.
Artigo em Inglês | MEDLINE | ID: mdl-32000816

RESUMO

BACKGROUND: Pain and blood loss after total knee arthroplasty (TKA) are unsolved clinical problems. Some studies reported that periarticular cocktail injection can effectively reduce pain and blood loss. However, there was no gold standard about the cocktail ingredient and injection location. More osteotomy and less soft tissue release in TKA with mild deformity; besides, plenty of nerves and blood vessels are contained in the periosteums and bone marrow. In this study, we aimed to detect the clinical results of subperiosteal cocktail application in TKA. METHODS: Two groups were included according to the different injection location in our study. In group 1, cocktails were injected into the muscles, tendons, suprapatellar bursa, and subpatellar bursa surrounding knee joint. In group 2, cocktail injection was performed under the periosteum of the distal femur and proximal tibia. Our primary outcomes were visual analogue scale (VAS) and hemoglobin (Hb), and the secondary outcomes were wound healing, infection, deep vein thrombosis (DVT), operation time, and hospitalization. RESULTS: At the first operative day, the mean (standard deviation) VAS score in a state of static was lower in group 2 compared with group 1 (0.98 ± 0.27 in group 1 and 0.86 ± 0.60 in group 2, p < 0.05). In the state of flexion and extension, the mean (standard deviation) VAS was 1.61 ± 0.66 in group 1 and 1.10 ± 0.57 in group 2 (p < 0.05). The mean (standard deviation) blood loss was higher in group 1 than in group 2 at the first postoperative day (440.19 (167.68) ml in group 1 and 333.67 (205.99) ml in group 2, p < 0.05). At the third day after surgery, the mean (standard deviation) blood loss was 686.44 (140.29) ml in group 1 and 609.19 (260.30) ml in group 2, and there was significant difference between these two groups (p < 0.05). CONCLUSIONS: We concluded that subperiosteal cocktail injection can significantly reduce pain and blood loss compared with periarticular cocktail injection after TKA.


Assuntos
Artroplastia do Joelho/métodos , Perda Sanguínea Cirúrgica/prevenção & controle , Articulação do Joelho/efeitos dos fármacos , Manejo da Dor/métodos , Dor Pós-Operatória/prevenção & controle , Periósteo/efeitos dos fármacos , Idoso , Anestésicos Locais/administração & dosagem , Anti-Inflamatórios/administração & dosagem , Artroplastia do Joelho/efeitos adversos , Quimioterapia Combinada/métodos , Epinefrina/administração & dosagem , Feminino , Humanos , Articulação do Joelho/cirurgia , Masculino , Metilprednisolona/administração & dosagem , Pessoa de Meia-Idade , Dor Pós-Operatória/etiologia , Periósteo/cirurgia , Estudos Prospectivos , Ropivacaina/administração & dosagem , Ácido Tranexâmico/administração & dosagem , Resultado do Tratamento , Vasoconstritores/administração & dosagem
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