Association between General Anesthesia and the Occurrence of Cerebrovascular Accidents in Hip Fracture Patients

Background. General anesthesia is an important factor leading to postoperative complications, and cerebrovascular accidents take the first place in the causes of postoperative death. Therefore, it is extremely important to explore the correlation between general anesthesia and the occurrence of cerebrovascular accidents in hip fracture patients. Objective. To explore the association between general anesthesia and the occurrence of cerebrovascular accidents in hip fracture patients. Methods. The data of 240 hip fracture patients treated in our hospital from February 2017 to February 2021 were retrospectively analyzed, and the patients were divided into the general anesthesia group (n = 120) and nongeneral anesthesia group (n = 120) according to whether or not they received general anesthesia, so as to compare their incidence rate of cerebrovascular accidents between the two groups, record their hemodynamic changes, and analyze the association between various risk factors under general anesthesia and the occurrence of cerebrovascular accidents. Results. No statistical differences in patients’ general information such as age and gender between the two groups were observed ( P > 0.05); compared with the nongeneral anesthesia group, the incidence rate of cerebrovascular accidents was significantly higher in the general anesthesia group ( P < 0.001); between the two groups, the heart rates and mean arterial pressure (MAP) at 15 min after anesthesia, at the time of skin incision, and 15 min before the end of surgery were significantly different ( P < 0.05); according to the multiple logistic regression analysis, general anesthesia was a risk factor affecting the occurrence of cerebrovascular accidents in hip fracture patients, and under general anesthesia, age ≥80 years, BMI ≥23 kg/m2, types of anesthetic drugs ≥4, intraoperative blood pressure ≥140 mmHg, and intraoperative heart rate ≥80 bpm were also regarded as the risk factors. Conclusion. General anesthesia is a risk factor affecting the occurrence of cerebrovascular accidents in hip fracture patients, and under general anesthesia, age ≥80 years, BMI ≥23 kg/m2, types of anesthetic drugs ≥4, intraoperative blood pressure ≥140 mmHg, and intraoperative heart rate ≥80 bpm will further increase the possibility of cerebrovascular accidents.

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Anesthetic Management and Outcome in Patients during Endovascular Therapy for Acute Stroke

Anesthesiology ◽

10.1097/aln.0b013e318242a5d2 ◽

2012 ◽

Vol 116 (2) ◽

pp. 396-405 ◽

Cited By ~ 177

Author(s):

Melinda J. Davis ◽

Bijoy K. Menon ◽

Leyla B. Baghirzada ◽

Cynthia R. Campos-Herrera ◽

Mayank Goyal ◽

...

Keyword(s):

Blood Pressure ◽

Systolic Blood Pressure ◽

General Anesthesia ◽

Local Anesthesia ◽

Neurologic Outcome ◽

Stroke Severity ◽

General Anesthesia Group ◽

Poor Outcome ◽

Anesthesia Group ◽

Modifiable Factors

Background Studies of endovascular treatment for acute ischemic stroke have identified general anesthesia as a predictor for poor outcome in comparison with local anesthesia/sedation. This retrospective study attempts to identify modifiable factors associated with poor outcome, while adjusting for baseline stroke severity, in patients receiving general anesthesia. Methods We reviewed charts of 129 patients treated between January 2003 and September 2009. The primary outcome was the modified Rankin Score of 0-2 for 3 months poststroke. Predictors of neurologic outcome included baseline National Institutes of Health Stroke Scale score, blood glucose concentration, and age. Additional risk factors evaluated were prolonged stroke onset-treatment interval and systolic blood pressure less than 140 mmHg. Choice of local anesthesia or general anesthesia was recorded. Results The study group was 96 out of 129 patients for whom modified Rankin Scale scores were available; 48 patients received general anesthesia and 48 local anesthesia. The proportion of patients with "good" outcomes were 15% and 60% in the general anesthesia group and local anesthesia group, respectively (P < 0.001). Lowest systolic blood pressure and general anesthesia were correlated (r = -0.7, P < 0.001). Independent predictors for good neurologic outcome were local anesthesia, systolic blood pressure greater than 140 mmHg, and low baseline stroke scores. Conclusions Adjusted for stroke severity, patients who received general anesthesia for treatment are less likely to have a good outcome than those managed with local anesthesia. This may be due to preintervention risk not included in the stroke severity measures. Hypotension, more frequent in the general anesthesia patients, may also contribute.

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The relationship between postoperative hypoeosinophilia and hospital stay in patients undergoing hip fracture surgery under general anesthesia or spinal anesthesia: A retrospective study

10.21203/rs.2.9831/v1 ◽

2019 ◽

Author(s):

Liang Chen ◽

Li Liu ◽

Hongli Yue ◽

Jin Li ◽

Yu Lu ◽

...

Keyword(s):

Hip Fracture ◽

Postoperative Complications ◽

Hospital Stay ◽

General Anesthesia ◽

Spinal Anesthesia ◽

Postoperative Hospital Stay ◽

General Anesthesia Group ◽

Hip Fracture Surgery ◽

Anesthesia Group ◽

Fracture Surgery

Abstract Background The inflammatory immune response is related to the development and progression of many diseases. Recent studies show that eosinophils (EOSs) are involved in various inflammatory processes and even affect patient prognosis. Various anesthetics or anesthesia methods have different effects on the immune inflammatory response. This study aimed to investigate early postoperative changes in EOSs and the relationship of postoperative recovery and hypoeosinophilia in patients undergoing hip fracture surgery under general or spinal anesthesia. Methods We retrospectively analyzed the patients who underwent hip fracture surgery at our hospital between April 2014 and November 2017. Patients were classified according to whether they received general anesthesia or spinal anesthesia. The outcome measure was postoperative hospital stay (days), and the investigating factor was postoperative day 1 EOS levels. Results A total of 149 patients were included in this study, including 34 patients in the general anesthesia group and 115 patients in the spinal anesthesia group. Postoperative day 1 EOS was lower in the general anesthesia group than that in the spinal anesthesia group (P=0.009). The correlation between postoperative hospital stay and postoperative day 1 EOS level was significant ([EOS 1× 107/L increase] β=-0.39, 95%CI -0.74, -0.05) in the general anesthesia group, after adjusting the confounders (age, gender, American Society of Anesthesiologists [ASA] grade, intraoperative blood loss, intraoperative red blood cell [RBC] transfusion, postoperative day 1 hematocrit [HCT] and white blood cell [WBC], and postoperative complications) and the interaction terms for ASA, intraoperative blood loss, intraoperative RBC transfusion and postoperative complications. Conclusion EOSs were significantly decreased after surgery in general anesthesia group, Also, postoperative hospital stay was negatively correlated with postoperative day 1 hypoeosinophilia in the general anesthesia group, suggesting that patients should be closely monitored for EOS changes and postoperative complications to enable early intervention.

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Age dependence of brachial cuff-based ambulatory PWV in end-stage kidney disease patients undergoing long-term peritoneal dialysis

Peritoneal Dialysis International ◽

10.1177/0896860821996927 ◽

2021 ◽

pp. 089686082199692

Author(s):

Vasilios Vaios ◽

Panagiotis I Georgianos ◽

Georgia Vareta ◽

Dimitrios Divanis ◽

Evangelia Dounousi ◽

...

Keyword(s):

Risk Factors ◽

Blood Pressure ◽

Heart Rate ◽

Peritoneal Dialysis ◽

Kidney Disease ◽

Pulse Wave ◽

Age Dependence ◽

End Stage Kidney Disease ◽

End Stage

Background: The newly introduced device Mobil-O-Graph (IEM, Stolberg, Germany) combines brachial cuff oscillometry and pulse wave analysis, enabling the determination of pulse wave velocity (PWV) via complex mathematic algorithms during 24-h ambulatory blood pressure monitoring (ABPM). However, the determinants of oscillometric PWV in the end-stage kidney disease (ESKD) population remain poorly understood. Methods: In this study, 81 ESKD patients undergoing long-term peritoneal dialysis underwent 24-h ABPM with the Mobil-O-Graph device. The association of 24-h oscillometric PWV with several demographic, clinical and haemodynamic parameters was explored using linear regression analysis. Results: In univariate analysis, among 21 risk factors, 24-h PWV exhibited a positive relationship with age, body mass index, overhydration assessed via bioimpedance spectroscopy, diabetic status, history of dyslipidaemia and coronary heart disease, and it had a negative relationship with female sex and 24-h heart rate. In stepwise multivariate analysis, age ( β: 0.883), 24-h systolic blood pressure (BP) ( β: 0.217) and 24-h heart rate ( β: −0.083) were the only three factors that remained as independent determinants of 24-h PWV (adjusted R 2 = 0.929). These associations were not modified when all 21 risk factors were analysed conjointly or when the model included only variables shown to be significant in univariate comparisons. Conclusion: The present study shows that age together with simultaneously assessed oscillometric BP and heart rate are the major determinants of Mobil-O-Graph-derived PWV, explaining >90% of the total variation of this marker. This age dependence of oscillometric PWV limits the validity of this marker to detect the premature vascular ageing, a unique characteristic of vascular remodelling in ESKD.

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Effect of intravenous oxycodone on the physiologic responses to extubation following general anesthesia

BMC Anesthesiology ◽

10.1186/s12871-021-01350-5 ◽

2021 ◽

Vol 21 (1) ◽

Author(s):

Menglu Jiang ◽

Jiawei Ji ◽

Xin Li ◽

Zhenqing Liu

Keyword(s):

Blood Pressure ◽

Heart Rate ◽

General Anesthesia ◽

Control Group ◽

Study Group ◽

Clinical Trial Registry ◽

Blood Oxygen Saturation ◽

Blood Concentrations ◽

Number Of Patients ◽

Blood Hormones

Abstract Background Endotracheal intubation and extubation may cause undesirable hemodynamic changes. Intravenous oxycodone has recently been introduced and used for relieving hemodynamic alterations in response to intubation, but there is insufficient information regarding its application in stabilizing hemodynamics during extubation in the patients emerging from general anesthesia. Methods One hundred patients, who had undergone assorted laparoscopic surgeries under general anesthesia, were randomly assigned to Control group (saline injection, 50 cases) and Study group (intravenous injection of 0.08 mg/kg oxycodone immediately after completion of the surgical procedure, 50 cases). Blood pressure, heart rate, blood oxygen saturation (SpO2) as well as blood concentrations of epinephrine, norepinephrine, and cortisol were recorded or measured immediately before extubation (T0), during extubation (T1), as well as one minute (T2), 5 min (T3), and 10 min after extubation (T4). In addition, coughing and restlessness, time of eye-opening, and duration from completing surgery to extubation as well as Ramsay Sedation Scale were analyzed. Results Blood pressure and heart rate as well as blood concentrations of epinephrine, norepinephrine, and cortisol were significantly higher in the Control group compared with the Study group at the time of extubation as well as 1, 5, and 10 min after extubation (P < 0.05). When the patients emerged from general anesthesia, 70 % of the Control group had cough, which was significantly higher than that of Study group (40 %, P < 0.05). Significantly higher number of patients manifested restlessness in the Control group before (40 %) and after extubation (20 %) compared with that in the Study group (20 and 2 %, respectively, P < 0.05). In addition, patients of Control group had lower Ramsay score at extubation (1.7 ± 0.7) as well as 30 min after extubation (2.4 ± 0.9) compared to that of the patients of Study group (2.2 ± 0.9, and 3.0 ± 0.8, respectively, P = 0.003 and 0.001). Conclusions Intravenous oxycodone attenuated alterations of hemodynamics and blood hormones associated with extubation during emergence from general anesthesia. Trial registration Chinese Clinical Trial Registry: ChiCTR2000040370 (registration date: 11-28-2020) “‘retrospectively registered”.

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The impact of obesity on cardiovascular disease risk factor

Asian Journal of Medical Sciences ◽

10.3126/ajms.v10i1.21294 ◽

2018 ◽

Vol 10 (1) ◽

pp. 1-12 ◽

Cited By ~ 1

Author(s):

Arun Kumar

Keyword(s):

Risk Factors ◽

Insulin Resistance ◽

Blood Pressure ◽

Cardiovascular Disease ◽

Risk Factor ◽

Cardiovascular Risk ◽

Sodium Intake ◽

Action Plan ◽

Saturated Fat ◽

The World

Obesity has emerged as the most potential cardiovascular risk factor and has raised concern among public and their health related issues not only in developed but also in developing countries. The Worldwide obesity occurrence has almost has gone three times since 1975. Research suggests there are about 775 million obese people in the World including adult, children, and adolescents. Nearly 50% of the children who are obese and overweight in Asia in are below 5 years. There is a steep incline of childhood obesity when compared to 1971 which is not only in developed countries but also in developing countries. A considerable amount of weight gain occurs during the transition phase from adolescence to young adulthood. It is also suggested that those adultswho were obese in childhood also remained obese in their adulthood with a higher metabolic risk than those who became obese in their adulthood. In India, the urban Indian female in the age group of 30-45 years have emerged as an 〝at risk population” for cardiovascular diseases. To understand how obesity can influence cardiovascular function, it becomes immense important to understand the changes which can take place in adipose tissue due to obesity. There are two proposed concepts explaining the inflammatory status of macrophage. The predominant cause of insulin resistance is obesity. Epidemiological and research studies have indicated that the pathogenesis of obesity-related metabolic dysfunction involves the development of a systemic, low-grade inflammatory state. It is becoming clear that targeting the pro-inflammatory pathwaymay provide a novel therapeutic approach to prevent insulin resistance, particularly in obesity inducedinsulin resistance. Some cost effective interventions that are feasible by all and can be implemented even in low-resource settings includes - population-wide and individual, which are recommended to be used in combination to reduce the greatest cardiovascular disease burden. The sixth target in the Global NCD action plan is to reduce the prevalence of hypertension by 25%. Reducing the incidence of hypertension by implementing population-wide policies to educe behavioral risk factors. Reducing cigarette smoking, body weight, blood pressure, blood cholesterol, and blood glucose all have a beneficial impact on major biological cardiovascular risk factors. A variety of lifestyle modifications have been shown, in clinical trials, to lower bloodpressure, includes weight loss, physical activity, moderation of alcohol intake, increased fresh fruit and vegetables and reduced saturated fat in the diet, reduction of dietary sodium intake, andincreased potassium intake. Also, trials of reduction of saturated fat and its partial replacement by unsaturated fats have improved dyslipidaemia and lowered risk of cardiovascular events. This initiative driven by the Ministry of Health and Family Welfare, State Governments, Indian Council of Medical Research and the World Health Organization are remarkable. The Government of India has adopted a national action plan for the prevention and control of non-communicable diseases (NCDs) with specific targets to be achieved by 2025, including a 25% reduction inoverall mortality from cardiovascular diseases, a 25% relative reduction in the prevalence of raised blood pressure and a 30% reduction in salt/sodium intake. In a nutshell increased BMI values can predict the nature of obesity and its aftermaths in terms inflammation and other disease associated with obesity. It’s high time; we must realize it and keep an eye on health status in order to live long and healthy life.

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Case report: 2 cases of cardiac arrest caused by rhino-cardiac reflex while disinfecting nasal cavity before endonasal transsphenoidal endoscopic pituitary surgery

BMC Anesthesiology ◽

10.1186/s12871-021-01240-w ◽

2021 ◽

Vol 21 (1) ◽

Author(s):

Wen Wang ◽

Hongwei Cai ◽

Huiping Ding ◽

Xiaoping Xu

Keyword(s):

Risk Factors ◽

Blood Pressure ◽

Heart Rate ◽

Cardiac Arrest ◽

Case Report ◽

Nasal Cavity ◽

Pituitary Surgery ◽

Case Presentation ◽

Clinical Anesthesia ◽

Vagus Reflex

Abstract Background Trigeminal-cardiac reflex (TCR) is a brainstem vagus reflex that occurs when any center or peripheral branch of the trigeminal nerve was stimulated or operated on. The typical clinical manifestation is sudden bradycardia with or without blood pressure decline. The rhino-cardiac reflex which is one type of TCR is rare in clinical practice. As the rhino-cardiac reflex caused by disinfection of the nasal cavity is very rare, we report these two cases to remind other anesthesiologists to be vigilant to this situation. Case presentation This case report describes two cases of cardiac arrest caused by rhino-cardiac reflex while disinfecting nasal cavity before endoscopic transsphenoidal removal of pituitary adenomas. Their heart rate all dropped suddenly at the very moment of nasal stimulation and recovered quickly after stimulation was stopped and the administration of drugs or cardiac support. Conclusion Although the occurrence of rhino-cardiac reflex is rare, we should pay attention to it in clinical anesthesia. It is necessary to know the risk factors for preventing it. Once it occurs, we should take active and effective rescue measures to avoid serious complications.

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Abstract P146: Uric Acid is an Independent Risk Factor for Developing Hypertension From Prehypertension: A 5-year Japanese Cohort Study

Hypertension ◽

10.1161/hyp.70.suppl_1.p146 ◽

2017 ◽

Vol 70 (suppl_1) ◽

Author(s):

Masanari Kuwabara ◽

Shigeko Hara ◽

Koichiro Niwa ◽

Minoru Ohno ◽

Ichiro Hisatome

Keyword(s):

Diabetes Mellitus ◽

Risk Factors ◽

Blood Pressure ◽

Body Mass Index ◽

Uric Acid ◽

Risk Factor ◽

Cohort Study ◽

Serum Uric Acid ◽

Independent Risk Factor ◽

Drinking Habits

Objectives: Prehypertension frequently progresses to hypertension and is associated with cardiovascular diseases, stroke, excess morbidity and mortality. However, the identical risk factors for developing hypertension from prehypertension are not clarified. This study is conducted to clarify the risks. Methods: We conducted a retrospective 5-year cohort study using the data from 3,584 prehypertensive Japanese adults (52.1±11.0 years, 2,081 men) in 2004 and reevaluated it 5 years later. We calculated the cumulative incidences of hypertension over 5 years, then, we detected the risk factors and calculated odds ratios (ORs) for developing hypertension by crude analysis and after adjustments for age, sex, body mass index, smoking and drinking habits, baseline systolic and diastolic blood pressure, pulse rate, diabetes mellitus, dyslipidemia, chronic kidney disease, and serum uric acid. We also evaluated whether serum uric acid (hyperuricemia) provided an independent risk for developing hypertension. Results: The cumulative incidence of hypertension from prehypertension over 5 years was 25.3%, but there were no significant differences between women and men (24.4% vs 26.0%, p=0.28). The cumulative incidence of hypertension in subjects with hyperuricemia (n=726) was significantly higher than those without hyperuricemia (n=2,858) (30.7% vs 24.0%, p<0.001). After multivariable adjustments, the risk factors for developing hypertension from prehypertension were age (OR per 1 year increased: 1.023; 95% CI, 1.015-1.032), women (OR versus men: 1.595; 95% CI, 1.269-2.005), higher body mass index (OR per 1 kg/m 2 increased: 1.051; 95% CI 1.021-1.081), higher baseline systolic blood pressure (OR per 1 mmHg increased: 1.072; 95% CI, 1.055-1.089) and diastolic blood pressure (OR per 1 mmHg increased: 1.085; 95% CI, 1.065-1.106), and higher serum uric acid (OR pre 1 mg/dL increased: 1.149; 95% CI, 1.066-1.238), but not smoking and drinking habits, diabetes mellitus, dyslipidemia, and chronic kidney diseases. Conclusions: Increased serum uric acid is an independent risk factor for developing hypertension from prehypertension. Intervention studies are needed to clarify whether the treatments for hyperuricemia in prehypertensive subjects are useful.

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The effects of household income distribution on stroke prevalence and its risk factors of high blood pressure and smoking: a cross-sectional study in Saskatchewan, Canada

Perspectives in Public Health ◽

10.1177/1757913916657118 ◽

2016 ◽

Vol 137 (2) ◽

pp. 114-121 ◽

Cited By ~ 3

Author(s):

Yelena Bird ◽

Mark Lemstra ◽

Marla Rogers

Keyword(s):

Risk Factors ◽

Blood Pressure ◽

Risk Factor ◽

Income Distribution ◽

High Blood Pressure ◽

Household Income ◽

Lower Income ◽

Cross Sectional ◽

Statistical Adjustment ◽

Stroke Prevalence

Background: Stroke is a major chronic disease and a common cause of adult disability and mortality. Although there are many known risk factors for stroke, lower income is not one that is often discussed. Aims: To determine the unadjusted and adjusted association of income distribution on the prevalence of stroke in Saskatchewan, Canada. Methods: Information was collected from the Canadian Community Health Survey conducted by Statistics Canada for 2000–2008. In total, 178 variables were analysed for their association with stroke. Results: Prior to statistical adjustment, stroke was seven times more common for lower income residents than higher income residents. After statistical adjustment, only four covariates were independently associated with stroke prevalence, including having high blood pressure (odds ratio (OR) = 2.62; 95% confidence interval (CI) = 2.12–3.24), having a household income below CAD$30,000 per year (OR = 2.49; 95% CI = 1.88–3.29), being a daily smoker (OR = 1.36; 95% CI = 1.16–1.58) and being physically inactive (OR = 1.27; 95% CI = 1.13–1.43). After statistical adjustment, there were five covariates independently associated with high blood pressure prevalence, including having a household income below CAD$30,000 per year (OR = 1.52; 95% CI = 1.41–1.63). After statistical adjustment, there were five covariates independently associated with daily smoking prevalence, including having a household income below CAD$30,000 per year (OR = 1.29; 95% CI = 1.25–1.33). Conclusions: Knowledge of disparities in the prevalence, severity, disability and mortality of stroke is critically important to medical and public health professionals. Our study found that income distribution was strongly associated with stroke, its main disease intermediary – high blood pressure – and its main risk factor – smoking. As such, income is an important variable worthy of public debate as a modifiable risk factor for stroke.

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Evaluation Of Anxiety During Nasal Pack Removal In Patients Operated Under Local Versus General Anesthesia

Journal of Bahria University Medical and Dental College ◽

10.51985/jbumdc2018070 ◽

2018 ◽

Vol 08 (04) ◽

pp. 226-230

Author(s):

Amer Sabih Hydri ◽

Muhammad Junaid Alam ◽

Iqbal Hussain Udaipurwala ◽

Furqan Mirza

Keyword(s):

General Anesthesia ◽

Local Anesthesia ◽

Rating Scale ◽

Military Hospital ◽

General Anesthesia Group ◽

Nasal Pack ◽

Assessment Scores ◽

Anesthesia Group ◽

Group B ◽

Hamilton Anxiety

Objective: To evaluate the anxiety experienced before, during and after conventional paraffin gauze nasal pack removal in patients operated under local versus general anesthesia. Study design: Comparative study. Place and duration of study: Department of ENT, Combined Military Hospital Sialkot and PAF Hospital Shorkot from July 2017 to June 2018. Material and methods: A total of 120 patients planned for Septoplasty were enrolled and divided into two groups. Sixty patients were to be operated under local anesthesia (Group A) while the other 60 were undergoing the same procedure under general anesthesia (Group B). Conventional paraffin gauze nasal packing was done for 24 hours in all 120 patients. Hamilton Anxiety Rating Scale (HAM-A) was used to determine the patients’ anxiety in both groups, 1 hour pre-operatively, immediately before and 1 hour after nasal pack removal. Results: The mean Hamilton Anxiety Scale assessment scores in both groups were of ‘mild’ category. The highest scores in both groups were observed immediately before nasal pack removal, with a range of 15-18, while the lowest scores in both groups were documented one hour after pack removal with a range of 13-16. Anxiety level in patients operated under general anesthesia was slightly lower than patients administered local anesthesia mean score of 16.40 ± 0.763 vs 17.21 ± 0.666 (p<0.001). Conclusion: Anxiety during nasal pack removal is mainly associated with prior pain experienced during nasal pack insertion. It is recommended that proper analgesia, adequate topical anesthesia, gentle insertion would make this process less distressing and will subsequently result in less anxiety at its removal.

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The Effect of Sevoflurane Anesthesia for Dental Procedure on Neurodevelopment in Children: A Prospective, Equivalence, Controlled Trial

10.21203/rs.3.rs-78114/v1 ◽

2020 ◽

Author(s):

Pinping Zhou ◽

Chao Zhang ◽

Guijin Huang ◽

Yuan Hu ◽

Wenzhu Ma ◽

...

Keyword(s):

General Anesthesia ◽

Local Anesthesia ◽

Primary Outcome ◽

Controlled Trial ◽

Age Groups ◽

Outcome Data ◽

Clinical Trial Registry ◽

General Anesthesia Group ◽

Anesthesia Group ◽

Significant Difference

Abstract Background: Dental procedures under general anesthesia (DGA) was found to improve the oral health-related quality of children's life. However, some parents and pediatricians expressed concern about the neurotoxicity of general anesthesia. The purpose of this trial was to investigate whether DGA in children has an adverse effect on neurodevelopment.Methods: In this prospective, assessor-masked, controlled, equivalence trial, we recruited 340 children younger than 7 years who were undergoing caries treatment between Feb 1, 2019, and Aug 31, 2019, without factors affecting neurodevelopment. They received either sevoflurane-based general anesthesia or awake-local anesthesia. The Wechsler Preschool and Primary Scale of Intelligence-Fourth Edition was used to evaluate the neurodevelopment of children at six months after surgery, and the Full-Scale IQ (FSIQ) was selected as the primary outcome. Predefine the 95% CI of a difference in means within five (1/3 SD) as the equivalence margin.Results: The outcome data were obtained from 129 children in the general anesthesia group and 144 in the local anesthesia group. The median length of general anesthesia was 130 min (IQR 110 – 160). There was equivalence in means of FSIQ score between the general anesthesia group and the local anesthesia group (local minus general anesthesia 0.46, 95% CI -2.35 to 1.61). There was no significant difference in FSIQ scores between different age groups and different anesthesia durations. Only the mother's education could affect the primary outcome.Conclusions: In this trial, prolonged DGA with a sevoflurane-only anesthetic in preschool children, does not adversely affect neurodevelopment at six months after surgery compared with awake-local anesthesia. Trial registration: Chinese Clinical Trial Registry, ChiCTR1800015216. Registered Mar 15 2018, http://www.chictr.org.cn/showproj.aspx?proj=24830.

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