Publications by authors named "Nevena K Kalezic"

6 Publications

  • Page 1 of 1

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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http://dx.doi.org/10.1159/000475597DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5768112PMC
June 2018

[Aspirin withdrawal in high risk cardiac patients before the operation of total colectomy with resection of ileum--case report].

Acta Chir Iugosl 2013 ;60(1):83-6

Coronary artery disease is one of the risk factors for myocardial infarction and it is present in 40% of patients who are undergoing noncardiac surgery. Despite evidence of the benefit of the antiplatelet therapy in patients at risk of cardiac complications, aspirin treatment is often discontinued before surgery due to the risk of perioperative bleeding. In many studies and meta-analysis it is shown that aspirin withdrawal in perioperative period was associated with three-fold higher risk of major adverse cardiac events. Perioperative continuation of aspirin increase the rate of bleeding by 1.5, but it doesn't increase the level of the severity of bleeding complications. In perioperative periode aspirin is discontinued only if it is estimated that the bleeding risk is higher than the risk of thrombosis. In the paper authors present a case report of patient who developed a perioperative myocardial in-farction as a consequence of aspirin withdrawal before total colectomy.
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http://dx.doi.org/10.2298/aci1301083iDOI Listing
October 2015

Risk factors for sporadic medullary thyroid carcinoma.

Eur J Cancer Prev 2013 May;22(3):262-7

Centre for Endocrine Surgery, Clinic for Endocrinology, Clinical Centre of Serbia, School of Medicine, Belgrade University, Belgrade, Serbia.

Medullary thyroid cancer is a rare tumour that appears in two distinct forms. The rarer familial form is genetically determined. The sporadic form is more common, but its aetiology has not been defined clearly so far. The aim of this study was to examine the risk factors for development of sporadic medullary thyroid cancer (sMTC). A case-control study was carried out during the period 2000-2009. The case group included 98 consecutive patients with sMTC. The control group comprised twice as many cases (196), who were neighbours of the patients from the case group. Patients were individually matched by sex, age and place of residence. Conditional univariate and multivariate logistic regression methods were applied in data analyses. According to the univariate logistic regression method, sMTC was significantly related to smoking status, duration of smoking, number of cigarettes smoked per day, personal history of goitre or thyroid nodules, personal history of nonthyroid cancer, menarche after 14 years of age, first full-term pregnancy before 20 years of age and usage of oral contraceptives. According to the multivariate logistic regression method, sMTC was independently related to smoking status [odds ratio (OR)=0.46, 95% confidence interval (CI)=0.20-0.90], personal history of goitre or thyroid nodules (OR=11.29, 95% CI=1.16-73.45) and menarche after 14 years of age (OR=2.77, 95% CI=1.33-6.28). Risk factors for sMTC were goitre or thyroid nodules and late menarche; cigarette smoking appeared to be a protective factor.
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http://dx.doi.org/10.1097/CEJ.0b013e3283592c78DOI Listing
May 2013

[The treatment of subtrochanteric fractures].

Srp Arh Celok Lek 2011 Jul-Aug;139(7-8):540-7

Subtrochanteric fractures of the femur have a special place because of a significant number of complications following treatment. Powerful loading forces asymmetrically acting to this bone segment, as well as poor vascularization interfere with bone union. There are basically two current approaches in the fixation of subtrochanteric fractures; the first involves a plate with a compression screw and another one is intramedullary (IM) nail, with two options: centromedullary (standard interlocking femoral nail) and cephalomedullary femoral nail with two modifications, reconstructive and trochanteric. All IM nails may be used by open technique or closed minimal invasive method. IM nailing is favoured in view of a shorter operative time, shorter hospitalisation and complications. Indirect fracture reduction and knowledge of biology of bone fracture may result in full success without any bone graft.
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http://dx.doi.org/10.2298/sarh1108540vDOI Listing
November 2011

[Legal aspects of medical errors].

Acta Chir Iugosl 2011 ;58(1):107-11

Klinika za ortopedsku hirurgiju i traumatologiju KCS, Beograd.

Healing people and medical care are together highly organized technological system with significant expert, ethical and legal regulative. Taking medical care is very sensitive area and it interfears deep into one's integrity, so the law is necessary in this area as a regulator. The aim of work is to show medical errors from legal aspects and clinical practice. Errors, negligent conduct during the medical treatment and bad results of medical treatment are categories that can easily be switched or can sublime themselves into the same thing. That is why correct differentiation of medical errors and viewing every way of medical errors appearance is necessary.
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http://dx.doi.org/10.2298/aci1101107vDOI Listing
June 2011

Case-control study of anaplastic thyroid cancer: goiter patients as controls.

Eur J Cancer Prev 2008 Apr;17(2):111-5

Center for Endocrine Surgery, Institute of Endocrinology, Clinical Center of Serbia, Belgrade, Serbia.

Anaplastic thyroid cancer is very serious disease with bad prognosis and unknown etiology. The aim of the study was to test some hypotheses about other factors in addition to goiter related to anaplastic thyroid cancer occurrence. A case-control study was performed during the period 1993-2005. The case group comprised 126 patients with newly diagnosed anaplastic thyroid cancer. The control group comprised 252 patients who had for the first time goiter operation, and had no malignancy of thyroid gland. Cases and controls were individually matched by age, sex and place of residence (urban/rural). According to conditional multivariate logistic regression analysis, anaplastic thyroid cancer was significantly related to lower education (odds ratio=1.85, 95% confidence interval=1.21-2.82), other malignant tumors in personal history (odds ratio=4.37, 95% confidence interval=1.11-17.31), blood group B (odds ratio=3.69, 95% confidence interval=1.10-12.49), menarche at >or=15 years of age (odds ratio=2.63, 95% confidence interval=1.15-5.88), and first full-term pregnancy before 19 years of age (odds ratio=2.96, 95% confidence interval=1.26-6.96). On the basis of the results obtained, risk factors for anaplastic thyroid cancer are similar to risk factors for differentiated thyroid cancers.
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http://dx.doi.org/10.1097/CEJ.0b013e3281108036DOI Listing
April 2008
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