Publications by authors named "Biljana R Milicic"

5 Publications

  • Page 1 of 1

Predictors of Complications Occurrence Associated With Emergency Surgical Tracheotomy.

Otolaryngol Head Neck Surg 2021 02 4;164(2):346-352. Epub 2020 Aug 4.

Faculty of Dental Medicine, University of Belgrade, Belgrade, Serbia.

Objective: In emergency airway management, the occurrence of surgical tracheotomy complications is increased and may be fatal for the patient. However, the factors that play a role in complication occurrence and lead to lethal outcome are not known. The objective of this study was to determine predictors associated with the occurrence of complications and mortality after emergency surgical tracheostomy.

Study Design: Retrospective study with a systematic review of the literature.

Setting: Tertiary medical academic center.

Subjects And Methods: We included 402 adult patients who underwent emergency surgical tracheostomy under local anesthesia due to upper airway obstruction. Demographic, clinical, complication occurrence, and mortality data were collected. For statistical analysis, univariable and multivariable logistic regression methods were used.

Results: In multivariable analysis, significant positive predictors of complication occurrence were previously performed tracheotomy (odds ratio [OR] 3.67, 95% confidence interval [CI], 0.75-17.88), neck pathology (OR 2.05, 95% CI 1.1-1.77), and tracheotomy performed outside the operating room (OR 5.88, 95% CI, 1.58-20). General in-hospital mortality was 4%, but lethal outcome as a direct result of tracheotomy complications occurred in only 4 patients (1%) because of intraoperative and postoperative complications.

Conclusion: The existence of neck pathology and situations in which tracheotomy was performed outside the operating room in uncontrolled conditions were significant prognostic factors for complication occurrence. Tracheotomy-related mortality was greater in patients with intraoperative and early postoperative complications. Clinicians should be aware of the increased risk in specific cases, to prepare, prevent, or manage unwanted outcomes in further treatment and care.
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February 2021

Risk Factors for Intraoperative Hypertension during Surgery for Primary Hyperparathyroidism.

Med Princ Pract 2017 10;26(4):381-386. Epub 2017 Apr 10.

Objective: To investigate the incidence and identify risk factors for the occurrence of intraoperative hypertension (IOH) during surgery for primary hyperparathyroidism (pHPT).

Subjects And Methods: The study included 269 patients surgically treated between January 2008 and January 2012 for pHPT. IOH was defined as an increase in systolic blood pressure ≥20% compared to baseline values which lasted for 15 min. The investigated influence were demographic characteristics, surgical risk score related to physical status (based on the American Society of Anesthesiologists [ASA] classification), comorbidities, type and duration of surgery, and duration of anesthesia on IOH occurrence. The investigated factors were obtained from the patients' medical history, anesthesia charts, and the daily practice database. Logistic regression analysis was done to determine the predictors of IOH.

Results: Of the 269 patients, 153 (56.9%) had IOH. Based on the univariate analysis, age, body mass index, ASA status, duration of anesthesia, and preoperative hypertension were risk factors for the occurrence of IOH. Multivariate analysis showed that independent predictors of IOH were a history of hypertension (OR = 2.080, 95% CI: 1.102-3.925, p = 0.024) and age (OR = 0.569, 95% CI: 0.360-0.901, p = 0.016).

Conclusion: In this study, a high percentage (56%) of the patients developed IOH during surgery for pHPT, which indicates that special attention should be paid to these patients, especially to the high-risk groups: older patients and those with a history of hypertension. Further, this study showed that advanced age and hypertension as a coexisting disease prior to parathyroid surgery were independent risk factors for the occurrence of IOH.
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June 2018

[Reductions in anesthesia direct costs is not the right way for racionalization of anesthesia costs].

Med Pregl 2012 Sep-Oct;65(9-10):421-7

Institut za anesteziju i reanimaciju, Klinicki centar Srbije, Beograd.

Introduction: Anesthesia management is characterized by salary limiting and pressure for decreasing anesthetics and other drug budget. The aim of this paper is to determine the possibility of reducing the direct costs in anesthesia.

Materials And Methods: This paper is a part ofa five-year (2005-2009), academic, pharmaco-economic retrospective- prospective study (phase IV). The study was done according to European Union Directive for Clinical Research. We retrospectively calculated and analyzed all anesthesia direct costs (personnel costs, anesthetics and other drug costs, materials, laboratory analyses, and machines) at the Institute For Ane- sthesia and Reanimation, Clinical Center of Serbia in relation to the costs refunded by National Health Insurance in all patients who underwent anesthesia in 2006.

Results: Out of 70 195 anesthesia services rendered to 32 267 patients in one-year period, 47% were general anesthesia, 23% were local anesthesia, and 30% were anesthetic procedures. Our results of highly significant association between personnel costs (r = 0.980, p = 0.000) and consumption of anesthetics and drugs (r = 0.885, p = 0.000) with the direct costs do not provide an opportunity for further cost reduction due to disassociation of direct costs and the "unit price" of National Health Insurance issued in terms of the restricted maximum budget for health.

Conclusion: There is no space for direct cost reduction in anesthesia.
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January 2013

[Operating cost analysis of anaesthesia: activity based costing (ABC analysis)].

Srp Arh Celok Lek 2011 Jul-Aug;139(7-8):501-8

Introduction: Cost of anaesthesiology represent defined measures to determine a precise profile of expenditure estimation of surgical treatment, which is important regarding planning of healthcare activities, prices and budget.

Objective: In order to determine the actual value of anaestesiological services, we started with the analysis of activity based costing (ABC) analysis.

Methods: Retrospectively, in 2005 and 2006, we estimated the direct costs of anestesiological services (salaries, drugs, supplying materials and other: analyses and equipment.) of the Institute of Anaesthesia and Resuscitation of the Clinical Centre of Serbia. The group included all anesthetized patients of both sexes and all ages. We compared direct costs with direct expenditure, "each cost object (service or unit)" of the Republican Healthcare Insurance. The Summary data of the Departments of Anaesthesia documented in the database of the Clinical Centre of Serbia. Numerical data were utilized and the numerical data were estimated and analyzed by computer programs Microsoft Office Excel 2003 and SPSS for Windows. We compared using the linear model of direct costs and unit costs of anaesthesiological services from the Costs List of the Republican Healthcare Insurance.

Results: Direct costs showed 40% of costs were spent on salaries, (32% on drugs and supplies, and 28% on other costs, such as analyses and equipment. The correlation of the direct costs of anaestesiological services showed a linear correlation with the unit costs of the Republican Healthcare Insurance.

Conclusion: During surgery, costs of anaesthesia would increase by 10% the surgical treatment cost of patients. Regarding the actual costs of drugs and supplies, we do not see any possibility of costs reduction. Fixed elements of direct costs provide the possibility of rationalization of resources in anaesthesia.
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November 2011

Perioperative myocardial ischemia in coronary artery disease patients undergoing abdominal nonvascular surgery.

Exp Clin Cardiol 2009 ;14(1):9-13

Intensive Care Unit, University Clinical Center of Serbia, Belgrade, Serbia.

Background: The incidence of perioperative myocardial ischemia (PMI) is the highest in patients who have coronary artery disease, and it is the best predictor of intrahospital morbidity and mortality.

Objective: To identify predictors of PMI in patients who have coronary artery disease and are undergoing abdominal nonvascular surgery.

Methods: A prospective, observational, clinical study of 111 consecutive patients with angiographically verified coronary artery disease, scheduled for open abdominal nonvascular surgery, was conducted. Patients received general anesthesia and were monitored by continuous electrocardiogram during surgery and immediately postsurgery (72 h period) in the intensive care unit at the University Clinical Center (Belgrade, Serbia). All of the patients had 12-lead electrocardiography immediately after the surgery, on postoperative days 1, 2 and 7, and one day before discharge from hospital. The patients were monitored until the 30th postoperative day.

Results: A total of 24 predictors for PMI were analyzed. The Pearson's chi(2) test and a binomial logistic regression model were used for statistical analysis. A significant difference in the incidence of PMI was found in the coronary artery disease patients with an associated risk factor (14 of 24 risk factors) compared with those without the risk factor. In particular, a highly significant difference in the incidence of PMI was found in coronary artery disease patients with angina pectoris, compared with those without angina pectoris.

Conclusion: Using the multivariate logistic regression analysis, angina pectoris was an independent predictor of PMI.
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July 2011