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1.
Int J Health Plann Manage ; 39(2): 530-540, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38163283

RESUMO

OBJECTIVES: Literature states a higher self-contamination rate among healthcare workers (HCWs) while doffing personal protective equipment (PPE). During the Covid-19 pandemic, onsite trained observers were not always available to monitor PPE compliance. The remote audio-visual doffing surveillance (RADS) system has the potential to overcome this limitation. We aimed to compare the efficacy of this real-time RADS system against the onsite buddy system for monitoring the doffing of PPE. METHODS: This prospective, observational study was carried out at our tertiary care centre in northern India. 200 HCWs who cared for Covid-19 patients in the intensive care units/operation theatres were included. Group A included HCWs who performed doffing with the help of an onsite trained observer and group B included HCWs who performed doffing with the RADS system. An independent observer noted the error at any step using the CDC doffing checklist, in both groups. An online questionnaire to analyse the level of satisfaction post-doffing was also surveyed. RESULTS: The proportion of errors committed during doffing was significantly lower in group B compared to group A with a low relative risk of 0.34 (95% CI 0.22-0.51) (p < 0.001) (Figure 1A,B). In both groups, there was no difference in HCWs feedback regarding the ease of the system and fear of committing an error. Though the perceived quality of monitoring was felt better with onsite buddy, the overall confidence rating of being safe after doffing was better with the RADS system. CONCLUSION: Real-time RADS system may be more effective than the onsite buddy system for ensuring the safety of HCWs during doffing PPE. HCWs level of satisfaction related to the ease and anxiety with the monitoring systems were comparable. RADS system can reduce reliance on HCW resources and can integrate well into existing healthcare systems.


Assuntos
COVID-19 , Humanos , Pandemias/prevenção & controle , Estudos Prospectivos , Ansiedade , Lista de Checagem
2.
Public Health ; 225: 160-167, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37931485

RESUMO

OBJECTIVE: Current national severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccination policy covers children aged >12 years. Unvaccinated, uninfected children remain susceptible to SARS-CoV-2 and play a role in community transmission, as paediatric infection is mostly mild or asymptomatic. To estimate the proportion of susceptible children in a community for public health measures, there is a need to assess the extent of natural infection. STUDY DESIGN: We performed a cross-sectional household serosurvey of SARS-CoV-2 antibodies in unvaccinated children aged between 6 and 18 years after the second COVID-19 wave. METHODS: Anti-SARS-CoV-2 immunoglobin G (IgG) testing in serum was done using chemiluminescence immunoassay. We used a logistic regression model to investigate predicted factors of seropositivity. RESULTS: We observed a high prevalence (weighted average: 68.3%) of anti-SARS-CoV-2 IgG in 2700 enrolled children. Logistic regression for predictors of IgG seropositivity showed lower odds in households with completely vaccinated adults (adjusted odds ratio [OR]: 0.43, 95% confidence interval [CI]: 0.26-0.71, P = 0.0011) compared with households with unvaccinated adults. Other factors for low seropositivity included frontline workers as family members (adjusted OR: 0.69, 95% CI: 0.52-0.91, P = 0.0091) and non-crowded households (adjusted OR: 0.74, 95% CI: 0.61-0.89, P = 0.0019). CONCLUSION: A high SARS-CoV-2 IgG prevalence in unvaccinated children was indicative of previous exposure to potentially infected contacts. This implies in-person academic activities for children can be continued during future community transmission. Comparatively lower seropositivity in children of completely vaccinated households or frontline workers suggests decreased transmission due to vaccination-induced immunity of family members. Vaccination will still be required in these children to maintain protective IgG levels, particularly in low seroprevalence groups.


Assuntos
COVID-19 , SARS-CoV-2 , Adulto , Criança , Humanos , Adolescente , Pandemias , Estudos Transversais , Prevalência , Estudos Soroepidemiológicos , COVID-19/epidemiologia , Índia/epidemiologia , Imunoglobulina G
3.
Indian J Med Res ; 155(1): 123-128, 2022 01.
Artigo em Inglês | MEDLINE | ID: mdl-35859438

RESUMO

Background & objectives: The safety of the ChAdOx1 nCoV-19 vaccine is a cause of concern for many who have been vaccinated. The people have multiple concerns and fear regarding the adverse events of the vaccine. Thus, this study was undertaken to establish the safety profile of ChAdOx1 nCoV-19 Corona Virus Vaccine (Recombinant) among the healthcare professionals. Methods: This was a descriptive cross-sectional survey. After taking clearance from the institutional ethics committee 1500 healthcare professionals, who had their vaccination in the past two weeks were selected. They were provided with an online survey proforma regarding adverse events following immunization (AEFIs) of COVID-19 vaccine developed using google forms with an informed consent form affixed to it. Results: A total of 1036 individuals participated in the study. The mean and median (inter quartile range) age of the participants was 37.7 ±11.25 and 35 (29-46) yr, respectively. Of these, 52.1 per cent were female, 29.3 per cent were doctors, 33.4 per cent were nurses and 9.5 per cent were paramedical staff. Forty six per cent participants experienced one or more minor AEFIs such as pain, tenderness, redness, etc. at the injection site. Fatigue (31.75%), generalized feeling of unwell (28.57%), muscle pain (23.16%) and fever (21.71%) were the most commonly reported systemic AEFIs followed by headache (20.07%), dizziness (10.03%) and joint pains (15.25%). Most of them experienced these AEFIs within 24 h of the first dose of administration. About 42 per cent of the participants took oral antipyretics/analgesics for managing the AEFIs. Interpretation & conclusions: ChAdOx1 nCoV-19 Corona Virus Vaccine was found to be associated with mild local and systemic AEFIs that were more common after the first dose as compared to the second dose. There adverse events could be dealt with oral over-the-counter medications, with no requirement of hospitalization.


Assuntos
Vacinas contra COVID-19 , COVID-19 , COVID-19/epidemiologia , COVID-19/prevenção & controle , Vacinas contra COVID-19/efeitos adversos , ChAdOx1 nCoV-19 , Estudos Transversais , Atenção à Saúde , Feminino , Humanos , Masculino
4.
Indian J Med Res ; 155(5&6): 526-537, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36124497

RESUMO

Background & objectives: The high mortality associated with the thrombotic events in hospitalized COVID-19 patients resulted in the usage of anticoagulants in varying doses. Whether high-dose anticoagulants have led to better outcomes or higher incidence of clinically significant bleeding events is debatable. Thus, this study was conducted to find the incidence of clinically significant bleeding events in moderate-to-severe COVID-19 ARDS (acute respiratory distress syndrome) patients on therapeutic anticoagulation and their outcomes. Methods: In this retrospective, single-centre study of 155 critically ill COVID-19 patients, the incidence of clinically significant bleeding was observed. Multivariate regression models were used to evaluate the association between anticoagulant regimen, coagulation and inflammatory markers with the incidence of bleeding and thrombotic events. Results: The incidence of clinically relevant non-major bleeding was 33.54 per cent (26.17-41.46%) and major bleeding was 9.03 per cent (5.02-14.69%). The anticoagulation intensity at baseline had a high odds of major bleeding when enoxaparin and dual antiplatelet therapy were used together [adjusted odds ratio OR of 434.09 (3.81-49502.95), P<0.05]. At admission, bleeders had a poorer PaO2/FiO2 ratio with more patients on invasive ventilation. At the time of bleeding, the bleeders had a higher D-dimer, ferritin, C-reactive protein and procalcitonin compared to non-bleeders. The subhazard ratio for death in bleeders was 3.35 (95% confidence interval, 1.97-5.65; P<0.001). Interpretation & conclusions: The incidence of bleeding in critically ill COVID-19 patients on therapeutic anticoagulation may increase with the severity of the disease as well as with concurrent use of dual antiplatelets. Major bleeding may also contribute to higher mortality.


Assuntos
Tratamento Farmacológico da COVID-19 , COVID-19 , Síndrome do Desconforto Respiratório , Trombose , Humanos , Anticoagulantes , COVID-19/complicações , Estudos Retrospectivos , Estado Terminal , Incidência , Hemorragia/induzido quimicamente , Hemorragia/epidemiologia
5.
Postgrad Med J ; 98(1156): 87-90, 2022 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-33184146

RESUMO

BACKGROUND: Vitamin D has an immunomodulatory role but the effect of therapeutic vitamin D supplementation in SARS-CoV-2 infection is not known. AIM: Effect of high dose, oral cholecalciferol supplementation on SARS-CoV-2 viral clearance. DESIGN: Randomised, placebo-controlled. PARTICIPANTS: Asymptomatic or mildly symptomatic SARS-CoV-2 RNA positive vitamin D deficient (25(OH)D<20 ng/ml) individuals. INTERVENTION: Participants were randomised to receive daily 60 000 IU of cholecalciferol (oral nano-liquid droplets) for 7 days with therapeutic target 25(OH)D>50 ng/ml (intervention group) or placebo (control group). Patients requiring invasive ventilation or with significant comorbidities were excluded. 25(OH)D levels were assessed at day 7, and cholecalciferol supplementation was continued for those with 25(OH)D <50 ng/ml in the intervention arm. SARS-CoV-2 RNA and inflammatory markers fibrinogen, D-dimer, procalcitonin and (CRP), ferritin were measured periodically. OUTCOME MEASURE: Proportion of patients with SARS-CoV-2 RNA negative before day-21 and change in inflammatory markers. RESULTS: Forty SARS-CoV-2 RNA positive individuals were randomised to intervention (n=16) or control (n=24) group. Baseline serum 25(OH)D was 8.6 (7.1 to 13.1) and 9.54 (8.1 to 12.5) ng/ml (p=0.730), in the intervention and control group, respectively. 10 out of 16 patients could achieve 25(OH)D>50 ng/ml by day-7 and another two by day-14 [day-14 25(OH)D levels 51.7 (48.9 to 59.5) ng/ml and 15.2 (12.7 to 19.5) ng/ml (p<0.001) in intervention and control group, respectively]. 10 (62.5%) participants in the intervention group and 5 (20.8%) participants in the control arm (p<0.018) became SARS-CoV-2 RNA negative. Fibrinogen levels significantly decreased with cholecalciferol supplementation (intergroup difference 0.70 ng/ml; P=0.007) unlike other inflammatory biomarkers. CONCLUSION: Greater proportion of vitamin D-deficient individuals with SARS-CoV-2 infection turned SARS-CoV-2 RNA negative with a significant decrease in fibrinogen on high-dose cholecalciferol supplementation. TRIAL REGISTER NUMBER: NCT04459247.


Assuntos
Biomarcadores/sangue , Tratamento Farmacológico da COVID-19 , Colecalciferol/administração & dosagem , Deficiência de Vitamina D/tratamento farmacológico , Vitamina D/administração & dosagem , Adulto , Proteína C-Reativa/análise , COVID-19/diagnóstico , Colecalciferol/uso terapêutico , Suplementos Nutricionais , Feminino , Ferritinas/sangue , Produtos de Degradação da Fibrina e do Fibrinogênio/análise , Fibrinogênio/análise , Humanos , Masculino , Pessoa de Meia-Idade , Pró-Calcitonina/sangue , RNA Viral , SARS-CoV-2 , Vitamina D/uso terapêutico , Deficiência de Vitamina D/sangue
8.
Indian J Crit Care Med ; 21(8): 483-487, 2017 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-28904476

RESUMO

AIM: This study aims to develop a standard operational protocol (SOP) for central line catheter care for nurses. MATERIALS AND METHODS: A preliminary draft of protocol based on extensive review of the literature was developed. The current practices of the nurses regarding central line catheter care were observed. Focus group discussions (FGD) were conducted with the nurses to identify the problems encountered by them during care of central line. Four rounds of Delphi were conducted to validate the protocol. The protocol was found to be feasible in terms of understanding, clarity and easy implementation after conducting a pilot study. An observation checklist was developed from the final draft of the protocol. The nurses were taught regarding the central line catheter care as per the protocol. 30 nurses were observed during central line catheter care by the researcher. After implementation of the protocol, feedback of the nurses was taken by conducting FGDs. RESULTS: Content validity index of each item in the protocol was acceptable. The overall Cronbach's alpha value of the checklist was 0.75. It was concluded that the checklist is reliable and each item has a contribution in the checklist. CONCLUSION: This protocol addresses interventions to enable staff to provide proper care of the central line catheter to prevent CLABSI.

9.
Perfusion ; 31(1): 45-53, 2016 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25878160

RESUMO

UNLABELLED: We compared the performance of a propofol target-controlled infusion (TCI) using Marsh versus PGIMER models in patients undergoing open heart surgery, in terms of measured plasma levels of propofol and objective pharmacodynamic effect. METHODS: Twenty-three, ASA II/III adult patients aged 18-65 years and scheduled for elective open heart surgery received Marsh or PGIMER (Postgraduate Institute of Medical Education and Research) pharmacokinetic models of TCI for the induction and maintenance of anaesthesia with propofol in a randomized, active-controlled, non-inferiority trial. The plasma levels of propofol were measured at specified time points before, during and after bypass. RESULTS: The performances of both the models were similar, as determined by the error (%) in maintaining the target plasma concentrations: MDPE of -5.0 (-12.0, 5.0) in the PGIMER group vs -6.4 (-7.7 to 0.5) in the Marsh group and MDAPE of 9.1 (5, 15) in the PGIMER group vs 8 (6.7, 10.1) in the Marsh group. These values indicate that both models over-predicted the plasma propofol concentration. CONCLUSIONS: The new pharmacokinetic model based on data from Indian patients is comparable in performance to the commercially available Marsh pharmacokinetic model.


Assuntos
Procedimentos Cirúrgicos Cardíacos , Sistemas de Liberação de Medicamentos/instrumentação , Sistemas de Liberação de Medicamentos/métodos , Propofol/administração & dosagem , Propofol/farmacocinética , Adolescente , Adulto , Idoso , Procedimentos Cirúrgicos Eletivos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
12.
J Dent Anesth Pain Med ; 24(1): 67-73, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38362258

RESUMO

Background: Nitrous oxide has been an integral part of surgical anesthesia for many years in the developed world and is still used in developing countries such as India. The other main concerns in low-resource countries are the lack of an advanced anesthesia gas-scavenging system and modular surgical theatres. As a greenhouse gas that has been present in the atmosphere for more than 100 years and damages the ozone layer, nitrous oxide is three times worse than sevoflurane. Here, we conducted an observational study to quantify the annual nitrous oxide consumption and its environmental impact in terms of carbon dioxide equivalence in one of busiest tertiary health care and research centers in Northern India. Methods: Data related to nitrous oxide expenditure' from the operation theatre and manifold complex of our tertiary care hospital and research center from 2018 to 2021 were collected monthly and analyzed. The outcomes were extracted from our observational study, which was approved by our institutional ethics board (INT/IEC/2017/1372 Dated 25.11.2017) and registered prospectively under the Central Registry (CTRI/2018/07/014745 Dated 05.07.2018). Results: The annual nitrous oxide consumption in our tertiary care hospital was 22,081.00, 22,904.00, 17,456.00, and 18,392.00 m3 (cubic meters) in 2018, 2019, 2020, and 2021, respectively. This indicates that the environmental impact of nitrous oxide (in terms of CO2 equivalents) from our hospital in 2018, 2019, 2020, and 2021 was 13,016.64, 13,287.82, 10,289.94, and 10,841.24 tons, respectively. Conclusion: This huge amount of nitrous oxide splurge is no longer a matter of laughter, and serious efforts should be made at every central and peripheral health center level to reduce it.

13.
Perfusion ; 28(3): 253-5, 2013 May.
Artigo em Inglês | MEDLINE | ID: mdl-23381347

RESUMO

Cardiac arrest following aortic dissection carries high morbidity and mortality, primarily due to poor neurological outcomes. Most efforts are directed towards perfusing vital organs and replenishing oxygen and adenosine triphosphate (ATP) stores during and immediately after arrest. Methods of reperfusion (including external cardiopulmonary resuscitation (CPR), open CPR, extracorporeal life support and ventricular assist devices) and other ATP preservation methods, such as pharmaceutical agents and hypothermia, are maximally beneficial only if started early during cardiac arrest. We describe a case of aortic rupture with arrest on the table which was re-perfused after 20 minutes, using cardiopulmonary bypass (CPB), but still managed to recover without neurological sequelae.


Assuntos
Suporte Vital Cardíaco Avançado , Ruptura Aórtica/terapia , Parada Cardíaca/terapia , Coração Auxiliar , Hipotermia Induzida , Trifosfato de Adenosina/administração & dosagem , Adulto , Humanos , Masculino , Indução de Remissão , Fatores de Tempo
14.
Am J Infect Control ; 51(4): 372-375, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-35908730

RESUMO

BACKGROUND: Hand hygiene compliance (HHC) monitoring is almost always done in daytime. Documentation of HHC in health care workers (HCWs) is limited during odd hours and nighttime. The objective of the study was to determine diurnal variation in HHC in different categories of health care workers in tertiary care hospital in North India. METHODS: A prospective, observational study was conducted in 3 COVID-19 intensive care units (ICUs) with closed-circuit television (CCTV) cameras. Dedicated infection control nurses monitored HHC among various HCWs (doctors, nursing staff, technicians, hospital and sanitary attendants) during day and nighttime, in 20-minute durations. The difference in HHC by-professional category and for each WHO moment was assessed using χ² test and P value. RESULTS: A total of 705 opportunities were observed over a period of 7 days, with overall compliance of 53%. Day and nighttime compliance was recorded to be 60.7% and 42.1%, respectively (P < .001). HCC was highest amongst resident doctors with little diurnal variation. However, nurses and housekeeping staff exhibited significant diurnal variation. The compliance at "after" moments was much higher than "before" moments in all professional categories. CONCLUSION: There was a significant decrease in compliance during nighttime, amongst all HCWs, with maximum variation exhibited by nursing staff. The present study underlines the importance of monitoring HHC at odd hours, to elicit a more accurate picture round the clock. Health care facilities monitoring compliance only during the daytime may substantially overestimate HHC.


Assuntos
COVID-19 , Carcinoma Hepatocelular , Infecção Hospitalar , Higiene das Mãos , Neoplasias Hepáticas , Humanos , Estudos Prospectivos , Fidelidade a Diretrizes , COVID-19/prevenção & controle , Higiene , Pessoal de Saúde , Unidades de Terapia Intensiva , Controle de Infecções
15.
Indian J Chest Dis Allied Sci ; 54(2): 91-7, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-22973777

RESUMO

BACKGROUND: Pulmonary alveolar proteinosis (PAP) is a disorder characterised by accumulation of lipids and proteins in the alveoli, with the resultant symptoms ranging from indolent subclinical disease to progressive respiratory failure. METHODS: We retrospectively studied five patients with PAP managed at our center between January 2007 and April 2010, with whole lung lavage (WLL) and/or subcutaneous granulocyte macrophage-colony stimulating factor (GM-CSF) therapy. Patients undergoing WLL under general anaesthesia were supplemented with three months of GM-CSF therapy. Pre- and post-lavage symptom assessment was performed with a 10-point, symptom-based visual analogue scale. RESULTS: Their mean age was 37.6-7.0 years; there were four males. Diagnosis of PAP [idiopathic (n=3); secondary to Nocardia (n=1)] was established by surgical lung biopsy in four patients who presented with respiratory failure. Three patients with idiopathic PAP (n=3) were treated with a combination of GM-CSF and WLL; one patient with secondary PAP was treated with antibiotics alone. In another patient transbronchial lung biopsy was used to diagnose PAP and GM-CSF alone was administered. All patients were followed up for a median period of two years (range 0.5-3 years). Significant improvement was achieved in all the patients with therapeutic WLL and/or GM-CSF. CONCLUSIONS: Whole lung lavage appeared to be an effective and safe therapy in patients with PAP. Efficacy of simultaneous administration of GM-CSF and WLL in the treatment of PAP merits further study.


Assuntos
Lavagem Broncoalveolar , Fator Estimulador de Colônias de Granulócitos e Macrófagos/uso terapêutico , Proteinose Alveolar Pulmonar/terapia , Adulto , Feminino , Humanos , Índia , Masculino , Proteinose Alveolar Pulmonar/patologia , Estudos Retrospectivos
16.
Placenta ; 127: 1-7, 2022 09.
Artigo em Inglês | MEDLINE | ID: mdl-35917629

RESUMO

INTRODUCTION: This study aims at observing placental pathologies in COVID-19 infected women, and analyzing its impact on pregnancy outcome. METHOD: This is a descriptive-analytical study done at a tertiary centre of Northern India. All COVID-19 positive pregnant women with gestational age ≥20 weeks, with placental histopathological reporting, were included in this study. A total of 173 COVID-19 pregnant women were included in the study. RESULTS: Placental abnormalities were noticed in 49·16% of total 179 placentae examined. Maternal vascular malperfusion (27·93%) was the most observed placental pathology followed by villous fibrin deposits (22·90%), fetal vasculopathy (16·75%), and acute inflammation (6·70%). Stillbirths were 22 and NICU admissions were seen in 50 neonates. Abnormal placental abnormalities led to higher stillbirths (p value 0·011) and lower Apgar scores at 1 and 5 min (p-value 0·028; p-value 0·002, respectively). Intervillous fibrin deposits had higher risk associated with lower Apgar score at 1 and 5 min [RR 2·05 (95% CI 1·21-3·48, p-value 0·010) and RR 5·52 (95% CI 2·58-11·81, p-value <0·001), respectively]. RP clot/hemorrhage was also associated with lower Apgar score at 1 and 5 min [RR 2·61 (95% CI 1·52-4·49, p-value 0·002) and RR 3.54 (95% CI 1·66-7·55, p-value 0·001), respectively]. DISCUSSION: Placental abnormalities in COVID-19 infection were associated with significant higher incidence of unexplained stillbirths, and lower Apgar scores. Although, this is the largest descriptive-analytical study done so far, comparative studies are required to draw a clear conclusion regarding the impact of COVID-19 infection on human placenta and its effect on pregnancy outcomes.


Assuntos
COVID-19 , Doenças Placentárias , Complicações Infecciosas na Gravidez , Feminino , Fibrina , Humanos , Lactente , Recém-Nascido , Mães , Placenta/patologia , Doenças Placentárias/patologia , Gravidez , Resultado da Gravidez , Natimorto/epidemiologia
17.
Virusdisease ; 33(3): 236-243, 2022 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-35965883

RESUMO

Environmental surfaces are potential source of SARS-CoV2 transmission. The study assessed the efficacy of hospital disinfection policy and contamination of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV2) RNA in COVID management Hospital. Inanimate surfaces from both patient areas (n = 70) and non-patient areas (n = 39) were sampled through surface swabbing and subjected to Reverse transcriptase PCR. Out of the 70 samples collected from the COVID hospital, SARS-CoV2 RNA positivity of 17.5% (7/40) and 6.7% (2/30) was seen in high risk and moderate risk area respectively. Samples from Non COVID related patient area such as CD ward and administrative block were assessed and the SARS CoV-2 RNA positivity was 0% and 10% respectively. Among the total 8 environmental surface samples positive for SARS-CoV2 RNA detected from the area surrounding the SARS-CoV2 infected patients, maximum positivity of 31.8% (7/22) was found among the environmental samples collected around the patients with < 20 Ct value in nasopharyngeal swab samples followed by 3.3% positivity (1/30) around patients with Ct value ranging from 20 to 25 whereas no SARS-CoV2 RNA (0/5) was detected around the patient with > 25 Ct value. Nearly 50% (2/4) of the surface samples came positive from the resident PPE and mobile of the treating doctors which largely elaborates the need for stringent doffing measurement and hand hygiene policy post doffing. The study emphasizes the necessity of frequent and aggressive disinfection policy to prevent nosocomial infection in such high risk areas within close vicinity of the patients.

18.
Anaesth Crit Care Pain Med ; 40(2): 100815, 2021 04.
Artigo em Inglês | MEDLINE | ID: mdl-33640444

RESUMO

BACKGROUND: Literature shows fentanyl reduces the median effective concentration (EC50) of propofol when used for various noxious stimuli. However, fentanyl combined with propofol has a depressive effect on haemodynamics. We hypothesise that low dose dexmedetomidine will reduce the propofol requirement for induction with better haemodynamic profile compared with fentanyl. MATERIAL AND METHODS: 120 ASA I/II adult patients, of age group 20 to 60 years, scheduled for elective day-care surgeries under general anaesthesia were randomised to three equally distributed groups as group D, group F and group S (control) of 40 patients each. They received infusions of dexmedetomidine 0.5 mcg/kg, fentanyl 1.5 mcg/kg and normal saline (control) respectively over 5 min prior to induction with propofol TCI (Marsh model). EC50 of propofol (primary objective) for I-gel insertion in each group was determined from the estimated effect site concentration (Ce), using Dixon's up-and-down method . Secondary objectives were propofol dose requirement and percentage change in haemodynamics during induction. RESULTS: Our study demonstrates that low-dose dexmedetomidine premedication achieves more reduction in the EC50 (2.4 µg/ml, IQR 2.4 - 2.6 µg/ml, 95% CI 2.40 - 2.55 µg/ml) and dose of propofol (1.14 ± 0.28 mg/kg, 95% CI 1.05 - 1.23 mg/kg), for I-gel insertion, than that can be achieved by the use of fentanyl with propofol (EC50 of 3.0 µg/ml IQR 3.0 - 3.05 µg/ml, 95% CI 2.94 - 3.11 µg/ml; propofol dose 1.89 ± 0.55 mg/kg, 95% CI 1.72 - 2.07 mg/kg ) without any significant change in the haemodynamics. CONCLUSION: Low-dose dexmedetomidine when compared with fentanyl significantly reduce the EC50 and dose of propofol required for I-gel insertion with propofol TCI, without much change in the haemodynamic profile. CLINICAL TRIAL REGISTRATION NUMBER: CTRI/2019/03/018003.


Assuntos
Dexmedetomidina , Propofol , Adulto , Anestésicos Intravenosos , Relação Dose-Resposta a Droga , Fentanila , Humanos , Pessoa de Meia-Idade , Adulto Jovem
19.
Indian J Occup Environ Med ; 25(3): 147-151, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34759601

RESUMO

BACKGROUND: Nitrous oxide has been used during surgical anesthesia for many years. However, information about occupational exposure and related risks due to N2O exposure to the health care personnel in India are still poorly understood. Here, we measured the residual N2O levels during the working time of operation theatre room air in our tertiary care hospital. MATERIAL AND METHODS: The air samples were collected from different anesthesia exposure zones on different days for quantitative analysis of available N2O in the room air in respective areas. Nitrous oxide concentrations in the ambient air were also measured to compare outdoor and indoor levels. OBSERVATIONS AND RESULTS: Nitrous oxide mixing ratios were found to be 65.61 ± 0.05 ppm, 281.63 ± 0.43 ppm, and 165.42 ± 0.42 ppm in elective surgical theatres of the hospital on three different days whereas in emergency operation theatres of the same hospital levels of N2O were 166.75 ± 0.07 ppm, 510.19 ± 0.30 ppm and 2443.92 ± 0.64 ppm during same period. In elective pediatric surgical theatres levels of N2O were found to be 1132.55 ± 0.70 ppm and 362.21 ± 0.13 ppm on two days of reading respectively. Outdoor levels of N2O in contrast found 0.32 ± 0.01 ppm and was lower by a factor of 1000. CONCLUSION: We observed the very high ambient concentration of N2O in the surgical theatre's environment (up to 2443 ppm) and recovery areas (up to 50 ppm). It was 5 to 50 times higher ambient concentration of N2O than REL in OT area and 200-7000 times higher ambient concentration of N2O than outdoor ambient air in all surgical theaters other than CTVS OTs.

20.
Asian J Psychiatr ; 57: 102562, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33571916

RESUMO

BACKGROUND: To date, no study has evaluated the association of alcohol dependence with the outcome of the COVID-19 infection. AIM: The current study aimed to evaluate the association of substance dependence (alcohol and tobacco) with the outcome (i.e., time to have two consecutive negative test reports) of the COVID-19 infection. RESULTS: The mean age of the study participants (n = 95) was 37.2 yrs (SD-13.2). More than half of the participants were males. About one-fourth (N = 25; 26.3 %) were consuming various substances in a dependent pattern. Alcohol dependence was present in 21 participants (22.1 %), and Tobacco dependence was present in 10.5 % of participants. Even after using gender, age, and physical illness as covariates, patients with any kind of substance dependence had a significantly lower chance of having a negative report on RT-PCR on 14th day, 18th 23rd day. CONCLUSION: Persons with substance dependence takes a longer time to test negative on RT-PCR, once diagnosed with COVID-19 infection. Mental health professionals involved in the care of patients with COVID-19 should accordingly prepare these patients for a possible longer hospital stay to reduce the distress associated with prolongation of hospital stay.


Assuntos
Alcoolismo/epidemiologia , Teste de Ácido Nucleico para COVID-19/estatística & dados numéricos , COVID-19/diagnóstico , COVID-19/epidemiologia , Tabagismo/epidemiologia , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Fatores de Tempo , Adulto Jovem
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