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1.
JCO Clin Cancer Inform ; 8: e2400078, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-39008783

RESUMO

PURPOSE: Denosumab is used to treat patients with bone metastasis from solid tumors, but sometimes causes severe hypocalcemia, so careful clinical management is important. This study aims to externally validate our previously developed risk prediction model for denosumab-induced hypocalcemia by using data from two facilities with different characteristics in Japan and to develop an updated model with improved performance and generalizability. METHODS: In the external validation, retrospective data of Kameda General Hospital (KGH) and Miyagi Cancer Center (MCC) between June 2013 and June 2022 were used and receiver operating characteristic (ROC)-AUC was mainly evaluated. A scoring-based updated model was developed using the same data set from a hospital-based administrative database as previously employed. Selection of variables related to prediction of hypocalcemia was based on the results of external validation. RESULTS: For the external validation, data from 235 KGH patients and 224 MCC patients were collected. ROC-AUC values in the original model were 0.879 and 0.774, respectively. The updated model consisting of clinical laboratory tests (calcium, albumin, and alkaline phosphatase) afforded similar ROC-AUC values in the two facilities (KGH, 0.837; MCC, 0.856). CONCLUSION: We developed an updated risk prediction model for denosumab-induced hypocalcemia with small interfacility differences. Our results indicate the importance of using data from plural facilities with different characteristics in the external validation of generalized prediction models and may be generally relevant to the clinical application of risk prediction models. Our findings are expected to contribute to improved management of bone metastasis treatment.


Assuntos
Bases de Dados Factuais , Denosumab , Hipocalcemia , Humanos , Hipocalcemia/induzido quimicamente , Hipocalcemia/epidemiologia , Hipocalcemia/diagnóstico , Denosumab/efeitos adversos , Denosumab/uso terapêutico , Feminino , Masculino , Idoso , Medição de Risco , Estudos Retrospectivos , Pessoa de Meia-Idade , Conservadores da Densidade Óssea/efeitos adversos , Japão/epidemiologia , Curva ROC , Neoplasias Ósseas/tratamento farmacológico , Neoplasias Ósseas/secundário , Idoso de 80 Anos ou mais , Fatores de Risco
2.
Endocrinol Diabetes Metab ; 7(4): e506, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38932435

RESUMO

BACKGROUND: Iatrogenic hypoparathyroidism is a common cause of postthyroidectomy hypocalcaemia. It has varying incidence rates after neck surgery in Saudi Arabia, ranging from 0.07% to 65.30%. Hypoparathyroidism can manifest with a spectrum of symptoms, ranging from mild to severe and life-threatening. This study aimed to assess the rate and predictors of iatrogenic hypoparathyroidism after thyroid surgery and its natural course. METHODS: This retrospective cohort study used a data collection form to extract patient information from the electronic healthcare system (Best-Care) for patients treated from 2017 to 2022. Patients' demographics, surgical specifics and biochemical profiles were recorded for subsequent analysis. RESULTS: Among the 343 patients who underwent thyroidectomy, 130 (37.9%) developed hypoparathyroidism, primarily within the first day after surgery. Calcium or vitamin D supplementation before surgery did not significantly influence hypoparathyroidism development. Notably, extensive combined lymph node dissection was significantly associated with postoperative hypoparathyroidism development (p = 0.0004). More patients who underwent central and lateral lymph node dissection (n = 19, 79.17%) developed hypoparathyroidism than patients who underwent central (n = 18, 40.91%) or lateral (n = 8, 38.10%) dissection alone. Permanent hypoparathyroidism was observed in 40 patients (11.66%). CONCLUSION: This study revealed a high incidence of iatrogenic hypoparathyroidism and high rates of permanent hypoparathyroidism. Further research is warranted to better comprehend the risk factors and optimise management strategies for iatrogenic hypoparathyroidism. Overall, our findings emphasise the need for vigilant monitoring and effective management of patients undergoing thyroidectomy and the significance of postoperative replacement therapies.


Assuntos
Hipoparatireoidismo , Doença Iatrogênica , Complicações Pós-Operatórias , Tireoidectomia , Humanos , Tireoidectomia/efeitos adversos , Hipoparatireoidismo/etiologia , Hipoparatireoidismo/epidemiologia , Estudos Retrospectivos , Feminino , Masculino , Pessoa de Meia-Idade , Adulto , Complicações Pós-Operatórias/etiologia , Complicações Pós-Operatórias/epidemiologia , Hipocalcemia/etiologia , Hipocalcemia/epidemiologia , Idoso , Arábia Saudita/epidemiologia , Incidência , Estudos de Coortes , Fatores de Risco
3.
Obes Surg ; 34(7): 2530-2536, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38833132

RESUMO

PURPOSE: Hypocalcemia post-metabolic bariatric surgery (MBS) is a known long-term complication after hypoabsorptive procedures. However, data on immediate postoperative calcium are limited. Our aim was to evaluate the prevalence of hypocalcemia on the 1st postoperative day after MBS and correlate it with potential associated factors. MATERIALS AND METHODS: We analyzed data from all consecutive index MBS over 1 year. We collected data on demographics and on preoperative and postoperative values of serum calcium (TC), albumin, adjusted calcium (AC-Payne formula), magnesium, phosphorus, preoperative vitamin-D, and postoperative 24-h urine output, intravenous fluids (IVF), bolus intravenous furosemide, and creatine phosphokinase (CPK). Continuous data are expressed as means ± SD (range). Categorical data are presented as frequencies (%). Linear regression was implemented to designate potential correlations. RESULTS: The cohort included 86 patients (58.1% females). The mean preoperative TC was 9.4mg/dL ± 0.4 (8.5-10.5) and mean postoperative TC 7.8mg/dL ± 0.6 (6.3-9.3, 17.0% decrease). The mean preoperative AC was 10.1mg/dL ± 0.4 (9.2-11.2) and mean postoperative AC 8.5mg/dL ± 0.6 (7.0-10.0, 15.8% decrease). Seventy-three patients (84.8%) had abnormally low TC (< 8.5mg/dL), and 43 (50%) abnormally low AC. There was only weak correlation between postoperative TC and AC with magnesium (r = 0.258), phosphorus (r = 0.269), vitamin-D (-0.163), 24-h urine output (r = -0.168), IVF (r = -0.237), bolus furosemide (r = 0.155), and mean operative time (r = 0.010). CONCLUSIONS: In our cohort of patients, hypocalcemia was a real problem but we did not find any significant correlation with the examined factors. Further studies are warranted to validate our findings and investigate other potential correlations.


Assuntos
Cirurgia Bariátrica , Hipocalcemia , Obesidade Mórbida , Complicações Pós-Operatórias , Humanos , Feminino , Hipocalcemia/etiologia , Hipocalcemia/epidemiologia , Masculino , Cirurgia Bariátrica/efeitos adversos , Adulto , Obesidade Mórbida/cirurgia , Complicações Pós-Operatórias/epidemiologia , Pessoa de Meia-Idade , Estudos Retrospectivos , Período Pós-Operatório , Cálcio/sangue , Prevalência , Magnésio/sangue , Furosemida/administração & dosagem , Furosemida/uso terapêutico , Vitamina D/sangue
4.
Yonsei Med J ; 65(6): 348-355, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38804029

RESUMO

PURPOSE: The increase in thyroid cancer incidence has inevitably led to an increase in thyroid cancer surgeries. This meta-regression analysis aimed to determine if the rate of post-thyroidectomy complications changes by year. MATERIALS AND METHODS: PubMed and Embase databases were used to perform a systematic literature search of studies published from January 1, 2005, using the keywords "thyroidectomy" and "complication." A meta-regression was performed for post-thyroidectomy hypocalcemia and bleeding. RESULTS: This meta-analysis included 25 studies involving 927751 individuals. Through the years of publications in this study, there was no significant difference in the proportion of post-thyroidectomy hypocalcemia and bleeding (p=0.9978, 0.6393). CONCLUSION: Although the number of thyroid surgeries has recently increased, the incidence of post-thyroidectomy hypocalcemia and bleeding did not significantly increase.


Assuntos
Hipocalcemia , Complicações Pós-Operatórias , Neoplasias da Glândula Tireoide , Tireoidectomia , Humanos , Tireoidectomia/efeitos adversos , Neoplasias da Glândula Tireoide/cirurgia , Hipocalcemia/etiologia , Hipocalcemia/epidemiologia , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/etiologia , Análise de Regressão
5.
BMC Nephrol ; 25(1): 134, 2024 Apr 15.
Artigo em Inglês | MEDLINE | ID: mdl-38622507

RESUMO

BACKGROUND: In the post-marketing stage, cases of hypocalcemia associated with bisphosphonate preparations (BPs) have been reported in patients with decreased kidney function, despite warning against use of BPs in such patients in the package insert (PI) of Japan. The purpose of this study was to investigate the safety of BPs in patients with decreased kidney function. METHODS: The cohort study was conducted in patients with osteoporosis and newly prescribed bisphosphonate utilizing real-world data from MID-NET® in Japan. The adjusted hazard ratios (aHRs) for hypocalcemia (a corrected serum Ca level < 8.00 mg/dL) relative to the normal group were calculated in each decreased kidney function group (mild, moderate or severe group). RESULTS: A total of 14,551 patients were included in the analysis, comprising 2,601 (17.88%) with normal (eGFR ≥ 90 mL/min/1.73m2), 7,613 (52.32%) with mild (60 ≤ eGFR < 90 mL/min/1.73m2), 3,919 (26.93%) with moderate (30 ≤ eGFR < 60 mL/min/1.73m2), and 418 (2.87%) with severe kidney function (eGFR < 30 mL/min/1.73m2). The aHRs (95% confidence interval) for hypocalcemia were 1.85 (0.75-4.57), 2.30 (0.86-6.21), and 22.74 (8.37-61.78) in the mild, moderate, and severe groups, respectively. The increased risk of hypocalcemia depending on kidney function was also observed even when calculating the aHR for each specific BP such as alendronate sodium hydrate, minodronic acid hydrate, and sodium risedronate hydrate. Furthermore, similar results were obtained in the sensitivity analysis by altering the outcome definition to a 20% or more reduction in corrected serum Ca level from the baseline, as well as when focusing on patients with more than one laboratory test result per 30 days during the follow-up period. CONCLUSIONS: These findings suggest that the risk of hypocalcemia during BP prescription is higher in patients with decreased kidney function, particularly those with severely decreased kidney function. The quantitative real-world evidence on the safety risk of BPs obtained in this study has led to the PI revision describing a relationship between hypocalcemia risk and decreased kidney function as a regulatory action in Japan and will contribute to promoting the proper use of BPs with appropriate risk management in clinical practice.


Assuntos
Hipocalcemia , Humanos , Estudos de Coortes , Hipocalcemia/induzido quimicamente , Hipocalcemia/epidemiologia , Japão/epidemiologia , Difosfonatos/efeitos adversos , Rim
6.
J Trauma Acute Care Surg ; 97(2): 242-247, 2024 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-38587878

RESUMO

BACKGROUND: Admission hypocalcemia has been associated with poor outcomes in injured adults. The impact of hypocalcemia on mortality has not been widely studied in pediatric trauma. METHODS: A pediatric trauma center database was queried retrospectively (2013-2022) for children younger than 18 years who received blood transfusion within 24 hours of injury and had ionized calcium (iCal) level on admission. Children who received massive transfusion (>40 mL/kg) prior to hospital arrival or calcium prior to laboratory testing were excluded. Hypocalcemia was defined by the laboratory lower limit (iCal <1.00). Main outcomes were in-hospital mortality and 24-hour blood product requirements. Logistic regression analysis was performed to adjust for Injury Severity Score (ISS), admission shock index, Glasgow Coma Scale (GCS) score, and weight-adjusted total transfusion volume. RESULTS: In total, 331 children with median (IQR) age of 7 years (2-3 years) and median (IQR) ISS 25 (14-33) were included, 32 (10%) of whom were hypocalcemic on arrival to the hospital. The hypocalcemic cohort had higher ISS (median (IQR) 30(24-36) vs. 22 (13-30)) and lower admission GCS score (median (IQR) 3 (3-12) vs. 8 (3-15)). Age, sex, race, and mechanism were not significantly different between groups. On univariate analysis, hypocalcemia was associated with increased in-hospital (56% vs. 18%; p < 0.001) and 24-hour (28% vs. 5%; p < 0.001) mortality. Children who were hypocalcemic received a median (IQR) of 22 mL/kg (7-38) more in total weight-adjusted 24-hour blood product transfusion following admission compared to the normocalcemic cohort ( p = 0.005). After adjusting for ISS, shock index, GCS score, and total transfusion volume, hypocalcemia remained independently associated with increased 24-hour (odds ratio, 4.93; 95% confidence interval, 1.77-13.77; p = 0.002) and in-hospital mortality (odds ratio, 3.41; 95% confidence interval, 1.22-9.51; p = 0.019). CONCLUSION: Hypocalcemia is independently associated with mortality and receipt of greater weight-adjusted volumes of blood product transfusion after injury in children. The benefit of timely calcium administration in pediatric trauma needs further exploration. LEVEL OF EVIDENCE: Prognostic and Epidemiological; Level III.


Assuntos
Transfusão de Sangue , Mortalidade Hospitalar , Hipocalcemia , Escala de Gravidade do Ferimento , Centros de Traumatologia , Ferimentos e Lesões , Humanos , Hipocalcemia/etiologia , Hipocalcemia/epidemiologia , Hipocalcemia/mortalidade , Feminino , Masculino , Estudos Retrospectivos , Criança , Pré-Escolar , Transfusão de Sangue/estatística & dados numéricos , Ferimentos e Lesões/mortalidade , Ferimentos e Lesões/complicações , Ferimentos e Lesões/terapia , Centros de Traumatologia/estatística & dados numéricos , Escala de Coma de Glasgow , Adolescente , Cálcio/sangue
7.
Ann R Coll Surg Engl ; 106(5): 454-460, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38445585

RESUMO

BACKGROUND: The most important factors affecting the development of postoperative hypocalcaemia (PH) include intraoperative trauma to the parathyroid glands, incidental parathyroidectomy (IP), and the surgeon's experience. In this study, we aimed to determine the incidence of IP, evaluate its effect on postoperative calcium levels and investigate the effect of surgeon experience and volume on IP incidence and postoperative calcium levels. METHODS: This retrospective study included 645 patients who underwent thyroid surgery at the Department of General Surgery, Kütahya Health Sciences University between September 2016 and March 2020. All patients underwent surgery at a single clinic by general surgeons experienced in thyroid surgery and their residents (3-5 years). RESULTS: Normal parathyroid glands were reported in 58 (8.9%) of 645 patients. In 5 (8.6%) of 58 patients the parathyroid gland was detected in the intrathyroidal region. PH developed in ten patients (17.2%) with incidental removal of the parathyroid glands. A statistically significant difference was found between the number of incidentally removed parathyroid glands and the development of hypocalcaemia (p<0.05). Normal parathyroid glands were reported in the pathology of 37 (7.9%) patients operated on by general surgeons and 22 (12.6%) patients operated on by their residents. PH developed in 39 (8.2%) patients operated on by general surgeons and in 8 (4.5%) patients operated on by their residents. CONCLUSIONS: We found that the complication rate during the resident training process was the same as that of experienced general surgeons. A thyroidectomy can be safely performed by senior residents during residential training.


Assuntos
Hipocalcemia , Paratireoidectomia , Tireoidectomia , Humanos , Tireoidectomia/efeitos adversos , Tireoidectomia/estatística & dados numéricos , Estudos Retrospectivos , Hipocalcemia/etiologia , Hipocalcemia/epidemiologia , Feminino , Paratireoidectomia/estatística & dados numéricos , Paratireoidectomia/efeitos adversos , Pessoa de Meia-Idade , Masculino , Adulto , Idoso , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/etiologia , Incidência , Achados Incidentais , Competência Clínica/estatística & dados numéricos , Glândulas Paratireoides/lesões , Glândulas Paratireoides/cirurgia , Cálcio/sangue , Adulto Jovem , Complicações Intraoperatórias/epidemiologia , Complicações Intraoperatórias/etiologia
8.
Am J Surg ; 233: 132-135, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38462410

RESUMO

INTRODUCTION: Total thyroidectomy is the traditional primary approach for papillary thyroid cancer. However, recent evidence supports conservative management for low-risk tumors like papillary thyroid microcarcinomas (PTMCs). This study explores the adoption of these practices in our community, using a cancer database to analyze treatment strategies. METHODS: A retrospective review of a 1433-patient institutional database identified 258 â€‹PTMC cases. Outcomes, including 30-day mortality, reoperation rate, postoperative hypocalcemia, and recurrent laryngeal nerve (RLN) injury, were assessed. RESULTS: Of PTMC patients, 63.4% underwent total thyroidectomy, with higher rates of RLN injury (8.8% vs. 2.3%) and hypocalcemia (12.4% vs. 0.0%) compared to lobectomy. Non-endocrine surgeons had higher postoperative radioactive iodine administration rates (28.6% vs. 6.1%). Subgroup analysis revealed a shift in total thyroidectomy rates based on tumor size and surgery period. CONCLUSION: Our community favors total thyroidectomy for PTMC, despite associated complications. Enhanced awareness and adherence to PTMC best practice guidelines are warranted.


Assuntos
Carcinoma Papilar , Sobretratamento , Neoplasias da Glândula Tireoide , Tireoidectomia , Humanos , Neoplasias da Glândula Tireoide/cirurgia , Neoplasias da Glândula Tireoide/mortalidade , Neoplasias da Glândula Tireoide/terapia , Neoplasias da Glândula Tireoide/patologia , Tireoidectomia/métodos , Feminino , Estudos Retrospectivos , Masculino , Pessoa de Meia-Idade , Carcinoma Papilar/cirurgia , Carcinoma Papilar/patologia , Adulto , Complicações Pós-Operatórias/epidemiologia , Idoso , Reoperação/estatística & dados numéricos , Hipocalcemia/etiologia , Hipocalcemia/epidemiologia , Traumatismos do Nervo Laríngeo Recorrente/etiologia , Traumatismos do Nervo Laríngeo Recorrente/epidemiologia
9.
Cancer Rep (Hoboken) ; 7(2): e1993, 2024 02.
Artigo em Inglês | MEDLINE | ID: mdl-38351532

RESUMO

BACKGROUND: Prophylactic central neck dissection (pCND) remains controversial during the initial surgery for preoperative and intraoperative node-negative (cN0) papillary thyroid carcinoma (PTC). METHODS: Patients undergoing thyroidectomy with or without pCND (Nx) for PTC in nine French surgical departments, registered in the EUROCRINE® national data in France between January 2015 and June 2021, were included in a cohort study. Demographic and clinicopathological characteristics, complications, and recurrence rates were compared using multivariate regression analysis. RESULTS: A total of 1905 patients with cN0 PTC were enrolled, including 1534 who had undergone pCND and 371 who hadn't (Nx). Of these, 1546 (81.2%) were female, and the median age was 49 years (range: 15-89 years). Patients who had undergone pCND were more likely to have multifocal tumors (n = 524 [34.2%] vs. n = 68 [18.3%], p < .001) and larger tumors (15.3 vs. 10.2 mm, p = .01) than patients with Nx. Of the patients with pCND, 553 (36%) had positive central LN (N1a), with a median of 1 N1 (IQR 0-5). pCND was associated with a higher temporary hypocalcemia rate (n = 25 [8%] vs. n = 15 [4%], p < .001). The rates of permanent hypocalcemia and temporary and permanent recurrent laryngeal nerve (RLN) palsy were not significantly different between the two groups (p > .2). After adjusting for covariates (age, sex, multifocality, and pathological T stage) in a multivariable Cox PH model, the performance of lymph node dissection (pCND vs. no-pCND) was not associated with PTC recurrence (p = .2). CONCLUSION: pCND in PTC does not reduce recurrence and is associated with a two-fold increase in the incidence of transient hypoparathyroidism. These data should be considered while issuing further guidelines regarding the treatment of patients with cN0 PTC.


Assuntos
Carcinoma Papilar , Hipocalcemia , Neoplasias da Glândula Tireoide , Humanos , Feminino , Pessoa de Meia-Idade , Masculino , Esvaziamento Cervical/efeitos adversos , Câncer Papilífero da Tireoide/cirurgia , Câncer Papilífero da Tireoide/complicações , Neoplasias da Glândula Tireoide/cirurgia , Neoplasias da Glândula Tireoide/patologia , Estudos de Coortes , Hipocalcemia/epidemiologia , Hipocalcemia/etiologia , Hipocalcemia/prevenção & controle , Carcinoma Papilar/cirurgia
10.
Int J Pediatr Otorhinolaryngol ; 178: 111895, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38422761

RESUMO

OBJECTIVE: To investigate whether perioperative calcium and 1,25 OH vitamin D supplementation (PCDS) influences the rates of postoperative hypocalcemia and length of stay (LOS) following pediatric thyroidectomy. STUDY DESIGN: Retrospective Cohort Review. SETTING: Tertiary children's hospital. METHODS: 94 patients who underwent completion or total thyroidectomy with or without concomitant neck dissection from 2010 to 2020 at a single institution were included. Patients with pre-existing hypocalcemia or preoperative vitamin D insufficiency were excluded. Rates of postoperative hypocalcemia and LOS were compared for patients receiving PCDS to those receiving no supplementation. RESULTS: Thirty percent of patients with PCDS had documented postoperative hypocalcemia compared to 64% of patients without PCDS (p = 0.01). Patients with PCDS had a median LOS of 30 h compared to 36 h (p = 0.002). Multivariable analyses confirmed that patients with PCDS had lower odds of postoperative hypocalcemia (OR: 0.32, CI: 0.11, 0.89) and shorter LOS by 17 h (SE: 8, p = 0.04) after adjustment for confounders. CONCLUSION: PCDS is associated with significantly lower risk of hypocalcemia and shorter LOS. Standardizing preoperative care for pediatric patients undergoing thyroidectomy may decrease variability and improve outcomes following surgery.


Assuntos
Hipocalcemia , Vitamina D , Humanos , Criança , Vitamina D/uso terapêutico , Hipocalcemia/epidemiologia , Hipocalcemia/etiologia , Hipocalcemia/prevenção & controle , Cálcio , Tireoidectomia/efeitos adversos , Tempo de Internação , Estudos Retrospectivos , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/prevenção & controle , Suplementos Nutricionais
11.
Ann Saudi Med ; 44(1): 39-47, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38311865

RESUMO

BACKGROUND: and Objectives: Hypocalcemia is a commonly reported complication after thyroid surgery. Many possible risk factors have been identified. The purpose of this study is to analyze various risk factors possibly associated with development of postoperative hypocalcemia after thyroid surgery by dividing the sample population into postoperative hypocalcemia and normal calcium groups. DESIGN: Retrospective. SETTING: Multiple centers in the Makkah region of Saudi Arabia. PATIENTS AND METHODS: Risk factors for postoperative hypocalcemia that were obtained for analysis include patient factors, perioperative blood parameters factors, disease-related factors, and surgical factors. Postoperative hypocalcemia was defined as a reduction of the total calcium level to <8.0 mg/dL. Hypocalcemic and normocalcemic patients were compared by multivariate logistic regression. MAIN OUTCOME MEASURES: Distinguish independent risk factors for postoperative hypocalcemia after thyroidectomy. SAMPLE SIZE: 215 patients. RESULTS: The incidence of hypocalcemia was 52.1% (112 of 215 patients). According to multivariate analysis, statistically significant risk factors for predicting postoperative hypocalcemia included postoperative parathyroid hormone level <10 pg/dL, inadvertent parathyroid gland resection, and neck dissection surgeries. CONCLUSION: The causes of postoperative hypocalcemia are multi-factorial. Because many of these factors are modifiable, they should be identified postoperatively to distinguish high-risk groups and implement early preventive measures. LIMITATIONS: Retrospective with a relatively small size. We encourage additional prospective studies with a larger sample size in multiple regions of the country, which might reveal further significant results.


Assuntos
Hipocalcemia , Humanos , Hipocalcemia/epidemiologia , Hipocalcemia/etiologia , Cálcio , Estudos Retrospectivos , Tireoidectomia/efeitos adversos , Estudos Prospectivos , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/etiologia , Hormônio Paratireóideo , Fatores de Risco
12.
Endocrine ; 85(1): 272-278, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38306008

RESUMO

PURPOSE: This study aimed to investigate the relationship between Lugol iodine treatment in a rescue setting and surgical outcomes in Graves' disease patients. METHODS: The retrospective register-based cohort study included 813 patients who had undergone primary total thyroidectomy with a primary diagnosis of Graves' disease (ICD-code E05.0) at Karolinska University Hospital in Stockholm, Sweden, between January 2008 and December 2015. Of 813 patients, 33 (4.1%) were given Lugol iodine before surgery and the remaining, the non-Lugol group, did not. The study's primary outcomes were post-operative calcium treatment day 1, calcium and vitamin D supplements at discharge and follow-up. Secondary outcomes were laryngeal nerve damage and bleeding (defined as re-operation). RESULTS: Differences were found between the Lugol and non-Lugol groups in the treatment of calcium day 1 (45.5% vs 26.7%, p = 0.018), at discharge (36.4% vs. 16.2%, p = 0.002) and vitamin D supplements at discharge (36.4% vs. 19.1%, p = 0.015) as surrogate variables for hypocalcemia post-operatively. No differences could be seen at 4-6 weeks and six-months follow-up. There were no differences between the Lugol and non-Lugol groups in terms of operation time, laryngeal nerve damage, and bleeding. CONCLUSION: Patients in our cohort undergoing thyroidectomy due to Graves' disease pre-operatively treated with Lugol iodine as a rescue therapy had a higher risk of experiencing short term post-operative hypocalcemia.


Assuntos
Doença de Graves , Sistema de Registros , Tireoidectomia , Humanos , Tireoidectomia/efeitos adversos , Feminino , Doença de Graves/cirurgia , Doença de Graves/tratamento farmacológico , Masculino , Estudos Retrospectivos , Pessoa de Meia-Idade , Adulto , Resultado do Tratamento , Iodetos/uso terapêutico , Iodetos/administração & dosagem , Idoso , Hipocalcemia/epidemiologia , Hipocalcemia/etiologia , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/etiologia , Estudos de Coortes , Vitamina D/uso terapêutico , Vitamina D/administração & dosagem , Cálcio/uso terapêutico
13.
Langenbecks Arch Surg ; 409(1): 33, 2024 Jan 09.
Artigo em Inglês | MEDLINE | ID: mdl-38195723

RESUMO

PURPOSE: This study aimed to evaluate the ability of the percentage of decrease in serum PTH level in the first 8 h after total thyroidectomy (TT) to predict hypocalcemia requiring Ca supplementation and develop a tool to predict it. METHODS: 97 patients who underwent TT with measurement of preoperative parathyroid hormone (PTH) levels were prospectively evaluated 1 and 8 h after TT; postoperative magnesium (Mg2PO) and phosphorus levels were evaluated on the 2nd day after surgery. The percentage of decrease in PTH level 1 h (%dPTH1h) and 8 h (%dPTH8h) postoperatively and predictors of hypocalcemia requiring Ca supplementation were evaluated and an equation was developed to predict this outcome. RESULTS: %dPTH1h (p = 0.002), %dPTH8h (p = 0.001) and (Mg2PO) (p < 0.01) were isolated predictors of postoperative hypocalcemia requiring Ca supplementation. The data obtained led to the development of two tools to predict this complication. CONCLUSIONS: The percentage of decrease in PTH level 1 h and 8 h postoperatively and the magnesium level on the 2nd day after surgery were predictors of more severe hypocalcemia, and an auxiliary tool for predicting this complication was developed.


Assuntos
Hipocalcemia , Humanos , Hipocalcemia/epidemiologia , Hipocalcemia/etiologia , Estudos Prospectivos , Tireoidectomia/efeitos adversos , Magnésio , Probabilidade
14.
Rev Med Chil ; 151(7): 920-928, 2023 Jul.
Artigo em Espanhol | MEDLINE | ID: mdl-39093181

RESUMO

INTRODUCTION: PTH measurement has been proposed to predict transient and permanent postoperative hypocalcemia. There is no standard cut-off point or time for sampling. AIM: To report the incidence of post-thyroidectomy hypocalcemia in a high-volume surgical group and propose an outpatient management protocol according to postoperative (PO) calcium levels, iPTH (normal, low, or undetectable), and symptoms. Furthermore, determine postoperative PTH values as predictors of hypocalcemia. METHODS: In 106 patients with total thyroidectomy between 2019 and 2021, pre-and postoperative levels of calcium, magnesium, phosphorus, and iPTH were measured. RESULTS: Transient (< 12 months) and permanent (> 12 months) hypocalcemia was observed in 29% and 1%. Cut-off points to predict hypocalcemia were PTH < 8.8 pg/mL and < 80% decrease in % PTH (d% PTH) the day after surgery. With the proposed management, early discharge is indicated (an average of 1.05 days), and the prescription cost is limited. There is no significant association between PO hypomagnesemia and hyperphosphatemia with PO hypocalcemia. The most widely used treatment is exclusive calcium carbonate (schemes I and II). Patients remain with mild symptoms at two weeks PO in 5% and discontinue oral treatment in 93% in this period. CONCLUSIONS: Protocols for measuring PTH as a hypocalcemia predictor vary. Each center must know and establish its management protocols. With this experience, we demonstrate the usefulness and safety of a management scheme based on calcium, PTH (normal, low, or undetectable), and symptoms with an indication of prophylactic treatment for all patients and a safe outpatient setting at a lower cost than prolonged hospitalization.


Assuntos
Cálcio , Hipocalcemia , Hormônio Paratireóideo , Tireoidectomia , Humanos , Hipocalcemia/etiologia , Hipocalcemia/epidemiologia , Hipocalcemia/sangue , Tireoidectomia/efeitos adversos , Hormônio Paratireóideo/sangue , Feminino , Masculino , Cálcio/sangue , Pessoa de Meia-Idade , Incidência , Adulto , Idoso , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/sangue , Complicações Pós-Operatórias/etiologia , Magnésio/sangue , Valor Preditivo dos Testes
15.
Rev. chil. endocrinol. diabetes ; 15(3): 104-109, 2022. graf, tab
Artigo em Espanhol | LILACS | ID: biblio-1392447

RESUMO

INTRODUCCIÓN: el hipoparatiroidismo es la alteración causada por hipofunción de las glándulas paratiroides y la causa más común es la posquirúrgica. OBJETIVO: conocer la incidencia de hipocalcemia dentro de las 72 horas del postoperatorio y de hipoparatiroidismo permanente de tiroidectomías en nueve años. SUJETOS Y MÉTODO: estudio observacional, descriptivo y retrospectivo de pacientes con tiroidectomías entre enero de 2011 y diciembre de 2019 en el Hospital de Clínicas. Se dividió la muestra por grupos etarios, se consideró hipocalcemia a valores ≤8,5 mg/dl e hipoparatiroidismo permanente cuando persistían por lo menos un año luego de cirugía. RESULTADOS: fueron 202 pacientes, 182 mujeres y 20 hombres, media de edad ± ES para mujeres 47.3±1.2 años y para hombres 55.1±3.4. El 61,5% presentó hipocalcemia en las primeras 72 horas del postoperatorio: 60,2% de mujeres y 71,4% de hombres (p=0.42). El 79% fueron hipocalcemias asintomáticas, 7,5% tuvo síntomas y 13,5% sin datos. El signo de Trousseau fue negativo 68% y positivo en 9%. Respecto a la patología hubo 107 resultados benignos, 94 malignos. CONCLUSIONES: el 90% fueron mujeres, 6 de cada 10 presentaron hipocalcemia en las primeras 72hs, en la gran mayoría fueron asintomáticas y tuvieron signo de Trousseau negativo. No hubo correlación entre hipocalcemia con edad, sexo, duración o tiempo de la cirugía, ni resultado de patología. La incidencia de hipoparatiroidismo transitorio fue 75,7% y permanente 7,3%. Cuando no hubo hipoparatiroidismo transitorio tampoco hubo hipoparatiroidismo permanente.


INTRODUCTION: hypoparathyroidism is the alteration caused by hypofunction of the parathyroid glands and the most common cause is post-surgery. OBJECTIVE: to know the incidence of hypocalcaemia within 72 hours of the postoperative period and of permanent hypoparathyroidism of thyroidectomies in nine years. SUBJECTS AND METHOD: observational, descriptive and retrospective study of patients with thyroidectomies between January 2011 and December 2019 at Clinical's Hospital. The sample was divided by age groups, hypocalcemia was considered at values ≤8.5 mg/dl and permanent hypoparathyroidism when they persisted for at least one year after surgery. RESULTS: there were 202 patients, 182 women and 20 men, mean age ± SE for women 47.3±1.2 years and for men 55.1±3.4. 61.5% presented hypocalcaemia in the first 72 hours after surgery: 60.2% of women and 71.4% of men (p=0.42). 79% were asymptomatic hypocalcemia, 7.5% had symptoms and 13.5% without data. Trousseau's sign was negative in 68% and positive in 9%. Regarding the pathology, there were 107 benign results, 94 malignant. CONCLUSIONS: 90% were women, 6 out of 10 presented hypocalcemia in the first 72 hours, the vast majority were asymptomatic and had a negative Trousseau sign. There was no correlation between hypocalcaemia with age, sex, duration or time of surgery, or pathology result. The incidence of transient hypoparathyroidism was 75.7% and permanent 7.3%. When there was no transient hypoparathyroidism, there was also no permanent hypoparathyroidism.


Assuntos
Humanos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Tireoidectomia/efeitos adversos , Hipocalcemia/epidemiologia , Hipoparatireoidismo/epidemiologia , Complicações Pós-Operatórias , Incidência , Estudos Retrospectivos , Distribuição por Idade e Sexo , Hipocalcemia/etiologia , Hipoparatireoidismo/etiologia
16.
Int. j. cardiovasc. sci. (Impr.) ; 34(5,supl.1): 87-94, Nov. 2021. tab, graf
Artigo em Inglês | LILACS | ID: biblio-1346346

RESUMO

Abstract Background: To the best of our knowledge, there are studies related to QT and QTc interval in patients with hypocalcemia, but there are no studies evaluating T wave peak and end interval (Tp-e interval), Tp-e/QT and Tp-e/QTc ratios used to evaluate cardiac arrhythmia risk and ventricular repolarization changes rates. Objectives: Therefore, we aimed to investigate whether there is a change in Tp-e interval, Tp-e/QT and Tp-e/QTc ratios in patients with hypocalcemia. Methods: Retrospectively, 29 patients with hypocalcemia in the emergency department were included in the study. Twenty-nine patients with similar age and sex distribution were included in the study as the control group. All patients underwent 12-lead electrocardiography (ECG). In addition to routine measurements, Tp-e interval, Tp-e/QT and Tp-e/QTc ratios were measured on ECG. The study data were grouped as patients with and without hypocalcemia. Results: The mean age of the patients was 66.24 ± 4.95 years. QTc interval, Tp-e interval and Tp-e/QTc values were found to be significantly higher in patients with hypocalcemia (p <0.001 for each). QTc interval, Tp-e interval and Tp-e/QTc ratio showed a significant negative correlation with calcium levels. Conclusion: Tp-e interval and Tp-e/QTc ratios are significantly increased in patients with hypocalcemia compared to those without hypocalcemia and this can be used more effectively in the follow-up of cardiac fatal arrhythmias.


Assuntos
Humanos , Masculino , Feminino , Pessoa de Meia-Idade , Idoso , Arritmias Cardíacas/mortalidade , Síndrome do QT Longo/complicações , Hipocalcemia/complicações , Arritmias Cardíacas/diagnóstico , Estudos Retrospectivos , Eletrocardiografia/métodos , Hipocalcemia/epidemiologia
17.
Rev. chil. pediatr ; 91(1): 116-121, feb. 2020. tab
Artigo em Espanhol | LILACS | ID: biblio-1092796

RESUMO

Resumen: Introducción: En recién nacidos (RN) con encefalopatía hipóxico isquémica (EHI) en hipotermia se describen alte raciones metabólicas que se asocian a pronóstico neurológico. La hipomagnesemia ha sido reportada en la literatura, pero no es medida ni corregida en todos los centros de atención neonatal. Objeti vo: Evaluar la frecuencia de hipomagnesemia e hipocalcemia en RN con EHI en tratamiento con hipotermia corporal total y evaluar la respuesta al aporte de sulfato de magnesio. Pacientes y Méto do: Estudio prospectivo, observational y descriptivo en RN con EHI sometidos a hipotermia corporal total, hospitalizados entre los años 2016-2017. Se realizó medición seriada en sangre de magnesemia (Mg) y calcemia (Ca). Con Mg menor o igual de 1,8 mg/dl se administró suplemento como sulfato de Mg para mantener niveles entre 1,9 y 2,8 mg/dl. Se describió la frecuencia de hipomagnesemia e hipocalcemia y su presentación en el tiempo. Se realizó registro prospectivo de evolución clínica. Se hizo un análisis estadístico descriptivo, con medidas de tendencia central. Resultados: Se incluyeron 16 pacientes. Presentaron hipomagnesemia 13/16 (81,3%), la que fue precoz (6-36 h de vida), nor malizándose con aporte de sulfato de magnesio, requiriendo 2a dosis 4 de ellos. Presentaron hipo- calcemia 6/16 (37,5%). Conclusiones: La hipomagnesemia es frecuente (80%), similar a lo descrito en la literatura. Dado su importancia fisiológica debe controlarse y corregirse, de igual manera que el calcio.


Abstract: Introduction: In newborns with the diagnosis of hypoxic-ischemic encephalopathy (HIE) treated with hypother mia, metabolic alterations are observed, which are associated with neurological prognosis. Hypo magnesemia has been reported frequently in the literature in these patients, but it is not measured or corrected in all neonatal healthcare centers. Objective: To evaluate the frequency of hypomag nesemia and hypocalcemia in newborns with HIE treated with whole-body hypothermia and to evaluate the response to the magnesium sulfate administration. Patients and Method: Prospective, observational and descriptive study in hospitalized newborns with the diagnosis of HIE and trea ted with whole-body hypothermia between the years 2016 and 2017. Serial blood measurement of magnesemia (Mg) and calcemia (Ca) was performed. When presenting an Mg level < 1.8 mg/dl, supplementation with magnesium sulfate was administered to maintain levels between 1.9 and 2.8 mg/dl. The frecuency of hypomagnesemia, hypocalcemia and clinical evolution was registered. A descriptive statistical analysis was performed, with central tendency measures. Results: Sixteen ca ses were included, 13 of them presented hypomagnesemia (81.3%), with early-onset (6-36 hours of life), which was normalized with magnesium sulfate treatment, receiving a second dose 4 patients. Six of 16 patients presented hypocalcemia (37.5 %). Conclusions: Hypomagnesemia is frequent (80%), similar to that described in the literature, and should be controlled and corrected early, given its physiological role, in the same way that calcium is controlled.


Assuntos
Humanos , Masculino , Feminino , Recém-Nascido , Hipóxia-Isquemia Encefálica/complicações , Hipóxia-Isquemia Encefálica/terapia , Hipocalcemia/etiologia , Hipotermia Induzida , Deficiência de Magnésio/etiologia , Biomarcadores/sangue , Estudos Prospectivos , Fatores de Risco , Resultado do Tratamento , Hipocalcemia/diagnóstico , Hipocalcemia/tratamento farmacológico , Hipocalcemia/epidemiologia , Magnésio/sangue , Deficiência de Magnésio/diagnóstico , Deficiência de Magnésio/tratamento farmacológico , Deficiência de Magnésio/epidemiologia , Sulfato de Magnésio/uso terapêutico
18.
Rev. méd. Urug ; 36(3): 293-300, 2020. tab, graf
Artigo em Espanhol | LILACS, BNUY | ID: biblio-1127109

RESUMO

Resumen: Introducción: la hipocalcemia es la complicación más frecuente en tiroidectomías. Objetivo: conocer la incidencia de hipocalcemia en las primeras 72 horas del posoperatorio y de hipoparatiroidismo permanente como complicación de las tiroidectomías en seis años. Pacientes y método: estudio descriptivo y retrospectivo de pacientes tiroidectomizados entre enero de 2011 y diciembre de 2016. Hipocalcemia: valor de calcio total <8,5mg/dl. Las variables fueron: sexo, edad, tipo y duración de cirugía, manifestaciones clínicas de hipocalcemia aguda y anatomía patológica; se cruzaron con la medida de valor mínimo de calcemia. Se consideró hipoparatiroidismo permanente cuando persistían bajo tratamiento por lo menos un año luego de cirugía. Resultados: total 141 casos, 130 mujeres, media de edad 45,9 años. El 95% presentó hipocalcemia en las primeras 72 horas del posoperatorio; por edad y sexo: <29 años, 90% (p 0,38), 30-49, 96% (p 0,4), 50-69, 98% (p 0,52) y >70, 92% (p 0,16); 97% de mujeres tuvo hipocalcemia y 91% de hombres (p 0,26). Duración de cirugía: < 130 minutos, 130-185, >185, hipocalcemia en 4, 2 y 1 pacientes respectivamente. Lesiones malignas en 60 pacientes, 58 tuvieron hipocalcemia; de 81 benignos, 76 la presentó (p 0,537). En grupo de tiroidectomías, 95% tuvo hipocalcemia (p<0,05). El 71% fue hipocalcemias asintomáticas, 10% tuvo síntomas y 19% sin datos. Ocho con hipoparatiroidismo permanente, en 11 no hubo datos. Conclusiones: la mayoría presentó hipocalcemia. No hubo correlación entre hipocalcemia con edad, sexo, duración de la cirugía ni resultado de anatomía patológica. En tiroidectomías hubo correlación con hipocalcemia. Uno de cada diez presentó síntomas de hipocalcemia. La incidencia de hipoparatiroidismo permanente fue de 6%.


Summary: Introduction: hypocalcemia is the most frequent complication in patients undergoing thyroidectomy. Objective: to learn about the incidence of hypocalcemia during the first 72-hour period after surgery and permanent hypoparathyroidism, as a complication of thyroidectomy in 6 years. Methods: descriptive and retrospective study of patients undergoing thyroidectomy between January 2011 and December 2016. Hypocalcemia is defined as total serum calcium concentration < 8.8 mg/dL. Variables considered cwere gender, age, type and duration of surgery, clinical manifestations of acute hypocalcemia and pathological anatomy, and they were crossed with the minimum measurement of calcemia. Permanent hypoparathyroidism was defined when patients were still under therapy at least one year after the surgery. Results: 141 patients, 130 women, average age was 45.9 years old. 95% of them presented hypocalcemia within the first 72 hours of the postoperative period; as to age and gender: <29 years old, 90% (p 0.38), 30 - 49, 96% (p 0.4), 50 - 69, 98% (p 0.52) and =70 92% (p 0.16); 97% of women and 91% of men (p 0.26) suffered from hypocalcemia. Duration of surgery: < 130 minutes, 130 - 185, >185, hypocalcemia was seen in 4, 2 and 1 patients respectively. Malignant lesions were found in 60 patients, 58 had hypocalcemia; out of 81 benign cases, 76 had hypocalcemia (p 0,537). In a group of thyroidectomies, 95% had hypocalcemia (p<0.05). 71% were asymptomatic hypocalcemia, 10% presented symptoms and there was no data for 19%. Eight of them have permanent hypoparathyroidism and there was no data for 11 cases. Conclusions: most patients presented hypocalcemia. There was no correlation between hypocalcemia and age, gender, duration of surgery or pathology results. Correlation was found between thyroidectomies and hypocalcemia. One out of ten presented symptoms of hypocalcemia. Incidence of permanent hypoparathyroidism was 6%.


Resumo: Introdução: a hipocalcemia é a complicação mais frequente nas tireoidectomias. Objetivo: conhecer a incidência de hipocalcemia nas primeiras 72 horas do pós-operatório e de hipoparatireoidismo permanente como complicação das tireoidectomias em 6 anos. Pacientes e métodos: estudo descritivo e retrospectivo, de tiroidectomizados entre janeiro de 2011 e dezembro de 2016. Considerou-se hipocalcemia o valor de cálcio total ?8,5mg/dl. As variáveis estudadas foram: gênero, idade, tipo e duração da cirurgia, manifestações clínicas de hipocalcemia aguda e anatomia patológica; estas variáveis foram cruzadas com o valor mínimo de calcemia. Considerou-se hipoparatireoidismo permanente quando persistiam sob tratamento pelo menos durante um ano pós-cirurgia. Resultados: foram estudados 141 pacientes sendo 130 mulheres, com idade média de 45,9 anos. 95% apresentou hipocalcemia nas primeiras 72 horas do pós-operatório; por idade e gênero: ?29 anos, 90% (p 0,38), 30 - 49, 96%(p 0,4), 50 - 69, 98%(p 0,52) e ?70, 92%(p 0,16); 97% das mulheres teve hipocalcemia e 91% dos homens (p 0,26). Duração da cirurgia: < 130 minutos, 130 - 185, ?185, hipocalcemia em 4, 2 e 1 pacientes respectivamente. Dos 60 pacientes com lesões malignas, 58 apresentaram hipocalcemia e 76 dos 81 casos benignos (p 0,537). No grupo de tireoidectomias, 95% tiveram hipocalcemia (p<0,05). 71% foram hipocalcemias assintomáticas, 10% apresentaram sintomas e em 19% não havia dados. Oito pacientes quedaram com hipoparatireoidismo permanente e em 11 não havia dados. Conclusões: a maioria apresentou hipocalcemia. Não se observou correlação entre hipocalcemia e idade, género, duração da cirurgia nem resultado da anatomia patológica. Nas tireoidectomias observou-se correlação com hipocalcemia. Um de cada 10 pacientes apresentou sintomas de hipocalcemia. La incidência de hipoparatireoidismo permanente foi de 6%.


Assuntos
Humanos , Tireoidectomia , Hipocalcemia/epidemiologia , Complicações Pós-Operatórias , Hipoparatireoidismo
19.
Artigo em Espanhol | LILACS | ID: biblio-1000235

RESUMO

INTRODUCCIÓN: Pretendemos analizar qué factores son los que determinan la aparición de hipocalcemia en el postoperatorio de la tiroidectomía total, mediante análisis estadístico, utilizando el paquete SPSS versión 25. MATERIAL Y MÉTODO: Se han estudiado 105 pacientes intervenidos de tiroidectomía total en nuestro centro durante los años 2015 a 2017. RESULTADOS: Se trataba de 85 mujeres (81%) y 20 hombres (19%), con edades comprendidas entre 30 y 91 años, con media de 57 años. El diagnóstico anatomopatológico más frecuente fue patología benigna (82,9%), con 87 casos...


INTRODUCTION: We intend to analyze which factors are responsible for the appearance of hypocalcemia in the postoperative period of total thyroidectomy, using statistical analysis with the SPSS version 25 package. MATERIAL AND METHOD: We studied 105 patients who underwent total thyroidectomy in our center during the years 2015 to 2017. RESULTS: There were 85 women (81%) and 20 men (19%), aged between 30 and 91 years, with an average of 57 years. The most frequent anatomopathological diagnosis was benign pathology (82.9%), with 87 cases…


INTRODUÇÃO: Pretendemos analisar quais são os fatores que determinam a ocorrência de hipocalcemia na tireoidectomia total no pós-operatório, utilizando análise estatística usando SPSS versão 25. MATERIAL E MÉTODO: Foram estudados 105 pacientes que foram submetidos a tireoidectomia total em nosso centro ao longo dos anos 2015 a 2017. RESULTADOS: Foram 85 mulheres (81%) e 20 homens (19%), com idade entre 30 e 91 anos, com média de 57 anos. O diagnóstico anatomopatológico mais frequente foi a patologia benigna (82,9%), com 87 casos...


Assuntos
Humanos , Masculino , Adulto , Tireoidectomia/efeitos adversos , Hipocalcemia/etiologia , Complicações Pós-Operatórias/epidemiologia , Estudos Retrospectivos , Hipocalcemia/prevenção & controle , Hipocalcemia/epidemiologia
20.
Rev. Col. Bras. Cir ; 39(6): 476-482, nov.-dez. 2012. ilus, tab
Artigo em Português | LILACS | ID: lil-662775

RESUMO

OBJETIVO: Avaliar a incidência e os fatores preditores da hipocalcemia e hipoparatireodismo definitivo pós-tireoidectomia. MÉTODOS: Foi dosado cálcio iônico no pré e no pós-operatório (primeiro, segundo e 30ºdia) em 333 pacientes submetidos à tireoidectomia. Naqueles que apresentaram hipocalcemia, as dosagens foram feitas também aos 90 e 180 dias de pós-operatório, quando se dosou também o paratormônio. Os pacientes foram agrupados segundo a presença ou ausência de hipocalcemia e avaliados segundo idade, sexo, função tireoidiana, volume tireoidiano, número de paratireoides identificadas e necessidade de reimplante de paratireoides, tipo de operação, tempo operatório e diagnóstico histopatológico. RESULTADOS: A incidência de hipocalcemia temporária foi de 40,8% (136 pacientes), e hipoparatireoidismo definitivo de 4,2% (14 pacientes). Tireoidectomia total ou reoperação, esvaziamento cervical, hipertireoidismo, tempo operatório e idade acima de 50 anos foram fatores determinantes de incidência significativamente maior de hipocalcemia e hipoparatireodismo definitivo (p<0,05). CONCLUSÃO: os fatores preditores da hipocalcemia pós-operatória incluem idade (>50 anos), tireoidectomia total, reoperação, esvaziamento cervical e tempo operatório. Os fatores preditores do hipoparatireoidismo definitivo pós-tireoidectomia incluíram tipo de operação, diagnóstico histológico e hipertireoidismo.


OBJECTIVE: To evaluate the incidence and predictors of post-thyroidectomy definitive hypocalcemia and hypoparathyroidism. METHODS: We assessed ionic calcium preoperatively and postoperatively (first, second and 30th day) in 333 patients undergoing thyroidectomy. In those presenting hypocalcemia, measurements were also made 90 and 180 days after surgery, when parathormone was also dosed. Patients were grouped according to the presence or absence of hypocalcemia and evaluated according to age, gender, thyroid function, thyroid volume, number of parathyroid glands identified and need to parathyroid reimplantation, type of operation, operative time, and histopathological diagnosis. RESULTS: The incidence of temporary hypocalcemia was 40.8% (136 patients), and of definitive hypoparathyroidism 4.2% (14 patients). Reoperation or total thyroidectomy, neck dissection, hyperthyroidism, operative time and age above 50 years were factors related to higher incidence of hypocalcemia and definitive hypoparathyroidism (p <0.05). CONCLUSION: predictors of postoperative hypocalcemia included age (> 50 years), total thyroidectomy, reoperation, neck dissection and operative time. The predictors of post-thyroidectomy definitive hypoparathyroidism included type of operation, histological diagnosis and hyperthyroidism.


Assuntos
Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Criança , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Adulto Jovem , Hipocalcemia/epidemiologia , Hipocalcemia/etiologia , Tireoidectomia/efeitos adversos , Incidência , Prognóstico , Estudos Prospectivos
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