Alena Kirzhner

ORCID: 0000-0003-0457-432X
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About
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Research Areas
  • Gestational Diabetes Research and Management
  • Diabetes Management and Research
  • Bariatric Surgery and Outcomes
  • Hyperglycemia and glycemic control in critically ill and hospitalized patients
  • Mobile Health and mHealth Applications
  • Breastfeeding Practices and Influences
  • Pancreatitis Pathology and Treatment
  • Hormonal and reproductive studies
  • Thyroid Cancer Diagnosis and Treatment
  • Thyroid Disorders and Treatments
  • Diabetes Treatment and Management
  • Maternal Mental Health During Pregnancy and Postpartum
  • Cardiac Valve Diseases and Treatments
  • Medication Adherence and Compliance
  • Venous Thromboembolism Diagnosis and Management
  • Ovarian function and disorders
  • Infective Endocarditis Diagnosis and Management
  • Neonatal Health and Biochemistry
  • Ultrasound in Clinical Applications
  • Ovarian cancer diagnosis and treatment
  • Neuroendocrine Tumor Research Advances
  • Sperm and Testicular Function
  • Reproductive Biology and Fertility
  • Thyroid and Parathyroid Surgery
  • Sexual Differentiation and Disorders

Hebrew University of Jerusalem
2021-2025

Kaplan Medical Center
2020-2025

Objective: Data on the influence of diabetes and prognosis acute pancreatitis (AP) remains limited. We aimed to characterize clinical course patients hospitalized with a principal diagnosis AP without diabetes. Methods: This was single-center hospital-based observational retrospective cohort study adult admitted Department General Surgery at Kaplan Medical Center between 2017 2022. Elaborated data were retrieved from electronic medical records. The main adverse outcomes included infections,...

10.1097/jp9.0000000000000210 article EN cc-by-nc-nd Journal of Pancreatology 2025-01-06

Background: Limited data are available for evaluating the effect of blood glucose on transcatheter aortic valve replacement (TAVR) outcomes in patients with diabetes. We aimed to assess impact levels short-term and long-term adverse undergoing TAVR. Methods Results: Data from severe stenosis (AS) who underwent TAVR 2010 2022 were collected retrospectively. In total, 615 enrolled study: Among total patient population, 43% had diabetes mellitus (DM), a mean hemoglobin A1c (HbA1c) level 7.4 ±...

10.31083/rcm25336 article EN cc-by Reviews in Cardiovascular Medicine 2025-02-21

Background and objectives Transcatheter Aortic Valve Implantation (TAVI) is a minimally invasive intervention for aortic stenosis, which associated with the potential major vascular complications arrhythmias. This study aims to identify primary predictors of these complications, emphasizing roles Decreased Platelet Count (DPC) Acquired Von Willebrand Syndrome (AVWS). Methods We performed prospective 80 patients planning receive TAVI at Heart Center, Kaplan Medical Rehovot, Israel....

10.3389/fcvm.2025.1576921 article EN cc-by Frontiers in Cardiovascular Medicine 2025-05-23

Post-bariatric-surgery hypoglycemia (PBH) is a serious complication of bariatric surgery (BS). In our previous study about three quarters the patients developed PBH. However long-term follow-up data lacking to determine whether this condition improves with time. The aim current was re-assess post-BS who participated in and there are changes frequency and/or severity hypoglycemic events.Twenty-four post-BS, post Roux-en-Y gastric-bypass (RYGB = 10), omega-loop (OLGB 9) sleeve-gastrectomy (SG...

10.1016/j.numecd.2023.02.012 article EN cc-by-nc-nd Nutrition Metabolism and Cardiovascular Diseases 2023-02-24

Background: Subacute thyroiditis (SAT) is a relatively common cause of thyroid disease. However, only few studies evaluating SAT have been published in recent years with varying diagnostic criteria. We evaluate the clinical presentation and long-term outcome isotope scan-confirmed SAT. Methods: A retrospective study 38 patients was performed at single department. All were contacted for follow-up. Results: The female/male ratio 1.4:1, mean age 47 ± 14 62 12 women men, respectively (p =...

10.3390/ijerph19159388 article EN International Journal of Environmental Research and Public Health 2022-07-31

There are limited data on follow-up, treatment, and maternal fetal outcomes in women with prediabetes before or at the beginning of pregnancy. The aim this study was to comprehensively characterize compared type 2 diabetes mellitus.This a retrospective cohort from single medical center treating pregestational mellitus (PDM). Women were overt (T2DM).Data collected 120 PDM group 86 T2DM group. Baseline characteristics comparable, albeit arrived attention significantly later, 55% after 15 weeks...

10.1080/14767058.2023.2191153 article EN cc-by The Journal of Maternal-Fetal & Neonatal Medicine 2023-03-21

The COVID-19 pandemic has brought to light both challenges and unique opportunities regarding type 1 diabetes (T1D) management, including the usage of telemedicine platforms.This study was conducted in a tertiary hospital clinic. All consecutive T1D patients during March June 2021 were asked fill out structured anonymous questionnaire that aimed determine their preference continuous use virtual platform.In total, 126 answered questionnaire, whom 51% under age 40, half men, used insulin...

10.3390/ijerph182111309 article EN International Journal of Environmental Research and Public Health 2021-10-28

The COVID-19 pandemic limits access to diabetes clinics. Remote communication by phone calls and WhatsApp messages became available in the past years. However, current need avoid face-to-face meetings necessitates further expansion of telemedicine services. There are limited data whether option virtual is a preferred therapeutic modality for patients with type 1 (T1D).To assess cohort T1D patients, their preference perception telemedicine.T1D who followed hospital-affiliated clinic were...

10.1055/a-1532-4610 article EN Experimental and Clinical Endocrinology & Diabetes 2021-07-22

Summary Well-differentiated thyroid cancer (WDTC), including papillary, follicular, and Hurthle-cell types, is characterized by a slow course usually remain localized to the thyroid. However, minority of these cases develop distant metastases with most common sites being lungs, bones, lymph nodes. Liver WDTC are rare found along other in multiple or diffuse pattern spread. The recognition metastasis has significant impact on treatment prognosis. because their low incidence awareness, often...

10.1530/edm-20-0074 article EN cc-by-nc-nd Endocrinology Diabetes and Metabolism Case Reports 2020-08-20

Background: Data on breastfeeding rates and targeted interventions in women with pre-gestational diabetes mellitus are inconclusive. The aim of the study was to evaluate up one year postpartum whether counseling towards end pregnancy can impact duration. An additional goal affected women’s perceptions regarding breastfeeding. Methods: Women were cluster-randomized between 32 36 weeks gestation, either face-to-face instruction a certified lactation consultant or receive written information...

10.3390/healthcare12030406 article EN Healthcare 2024-02-04

Summary Total testosterone, which is peripherally converted to its biologically active form dihydrotestosterone (DHT), the first-line hormone investigation in hyperandrogenic states and infertility premenopausal women. Polycystic ovary syndrome (PCOS), most common cause of hyperandrogenism young women, often associated with mild elevations total testosterone. Whereas very high levels testosterone (>2–3 SD normal reference), are signs, menstrual irregularity, rapid onset virilization,...

10.1530/edm-23-0117 article EN cc-by-nc-nd Endocrinology Diabetes and Metabolism Case Reports 2024-04-01

: Early prognostication of acute pancreatitis (AP) patients for those at high risk complications during hospitalization can facilitate clinical decision-making. Sarcopenia has been proven to be a factor poor prognosis in with AP. We aimed evaluate the association between muscle parameters measured computed tomography (CT) and outcomes hospitalized

10.3390/jcm13216314 article EN Journal of Clinical Medicine 2024-10-22

Abstract Background: Subacute thyroiditis (SAT) is a common inflammatory condition. However, only few studies evaluating SAT were published in recent years with varying diagnostic criteria. Although thyroid isotope-scan an accurate non-invasive test for confirming SAT, it was not used as mandatory criteria prior studies. Aim: To evaluate the clinical presentation and long-term outcome of patients community who found to have confirmed later by isotope scan. Methods: A retrospective study 38...

10.21203/rs.3.rs-1482667/v1 preprint EN cc-by Research Square (Research Square) 2022-04-06

Background: The COVID-19 pandemic limits access to diabetes clinics. Remote communication by phone calls and WhatsApp messages became available in the past years. However, current need avoid face-to-face meetings necessitates further expansion of telemedicine services. There are limited data whether option virtual is a preferred therapeutic modality for patients with type 1 (T1D). Objective: To assess cohort T1D patients, their preference perception telemedicine. Methods: who followed...

10.2337/db21-876-p article EN Diabetes 2021-06-01

Abstract Background Current data on breastfeeding perceptions and attitudes in women with pregestational diabetes mellitus (PGDM) is limited. The aim of the current study was to evaluate towards before birth PGDM versus without whether targeted counseling at end pregnancy diabetic population affected women’s regarding breastfeeding. Methods Fifty-two 38 answered a structured questionnaire designed toward We also explored instruction, given pregnancy, by an experienced counselor changed these...

10.21203/rs.3.rs-3239640/v1 preprint EN cc-by Research Square (Research Square) 2023-09-06

Searchable abstracts of presentations at key conferences in endocrinology ISSN 1470-3947 (print) | 1479-6848 (online)

10.1530/endoabs.90.p461 article EN Endocrine Abstracts 2023-05-02

Adrenal nonadenomatous tumors (NAT) first identified during pregnancy are very rare and pose a diagnostic therapeutic dilemma with significant risks for the mother fetus. The aim of this study is to report case large adrenal NAT in literature review. A search was conducted, data were summarized. 37-year-old primigravida woman, history melanoma, excised 12 years before presentation without recurrence, presented at 35 weeks gestation due intractable right flank pain. MRI demonstrated an eight...

10.1097/cmr.0000000000000849 article EN Melanoma Research 2022-09-12
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