Publications by authors named "Viviana Ostrovsky"

5 Publications

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Is Telemedicine the Preferred Visit Modality in Patients with Type 1 Diabetes?

Exp Clin Endocrinol Diabetes 2021 Jul 22. Epub 2021 Jul 22.

Department of Endocrinology, Diabetes and Metabolic Disease, Kaplan Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, 7661041, Israel.

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, the current need to avoid face-to-face meetings necessitates further expansion of telemedicine services. There are limited data whether the option of virtual meetings is a preferred therapeutic modality for patients with type 1 diabetes (T1D).

Objective: To assess in a cohort of T1D patients, their preference and perception of telemedicine.

Methods: T1D patients who are followed in a hospital-affiliated diabetes clinic were asked to fill a structured questionnaire aimed to determine their attitude towards telemedicine and their preference of virtual versus conventional visits. The questionnaire was offered to consecutive T1D patients who visited the clinic between August to October 2020.

Results: Seventy one T1D patients that fulfilled the questionnaire were included. Median age was 38 years, 39% were male, and median duration of diabetes was 18 years. Fourteen percent of the participants preferred only virtual visits, 24% only conventional visits and 62% preferred a combination of these modalities. Sex, origin, education, duration of diabetes, mode of insulin treatment and distance from the clinic were not associated with patients' preference, but older patients (≥ 61 years) tended to prefer conventional visits. Sixty-six percent felt confident in their ability to download data from their personal medical devices.

Conclusions: Patients from a wide range of treatment modalities are willing to use telemedicine. However, virtual meetings cannot fully replace conventional visits in T1D especially in the older age group.
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http://dx.doi.org/10.1055/a-1532-4610DOI Listing
July 2021

Denosumab-Induced Immune Hepatitis.

Biomedicines 2021 Jan 14;9(1). Epub 2021 Jan 14.

In Vitro Drug Safety and Biotechnology and Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5G 1L5, Canada.

Denosumab-Prolia®, Xgeva® (Amgen) is a fully human antibody to the receptor activator of the nuclear factor-K ligand (RANKL). Hepatotoxicity is extremely rare, with only one reported case of immune origin. We present a second case of hepatotoxicity resulting from an immune reaction to denosumab. A 43-year-old female was referred to the Endocrinology, Diabetes & Metabolism Department for treatment of low bone mineral density (BMD) following endocrine therapy with letrozole and lucrin because of breast cancer. She developed premature menopause at the age of 36 years when she underwent a left lumpectomy due to an infiltrating duct carcinoma of the breast (T1 NO MO) and was subsequently started on endocrine therapy. Denosumab was started to prevent osteoporosis. On the third year after starting on denosumab and one month after she received the last injection, she became ill. The routine biochemical analysis showed that the levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) rose appreciatively to 10 times the upper limit of normal (ULN). The gamma-glutamyl transferase (GGT) level was elevated slightly to 67 U/L (0-38 U/L). The serum gamma-globulin level was elevated to 1.72 g/dL (0.7-1.6 gr/dl), while the total bilirubin (TB) and serum albumin levels were normal. A liver biopsy revealed a moderate to severe chronic inflammatory infiltrate containing MUM-1 positive plasma cells. In addition, numerous CD-3 positive small T lymphocytes and few CD-20 positive B lymphocytes and eosinophils were seen in the portal tracts. Moderate to severe interface hepatitis, bile duct proliferation and mild portal fibrosis were also identified. The results could be consistent with the diagnosis of drug-induced liver injury (DILI).
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http://dx.doi.org/10.3390/biomedicines9010076DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7830192PMC
January 2021

Moderate Iodine Deficiency Is Common in Pregnancy but Does Not Alter Maternal and Neonatal Thyroid Function Tests.

Front Endocrinol (Lausanne) 2020 11;11:523319. Epub 2020 Dec 11.

Diabetes, Endocrinology and Metabolic Disease Institute, Kaplan Medical Center, Hebrew University Medical School, Rehovot, Israel.

Introduction: An Israeli national survey found that 85% of pregnant women had urinary iodine content (UIC) levels below the adequacy range (<150 µg/L). Widespread desalinated water usage and no national fortification plan are possible causes. Studies assessing relationships between iodine status and maternal and neonatal thyroid function provided varying results. Our aims were to determine whether iodine deficiency was associated with altered maternal or neonatal thyroid function and the factors leading to iodine deficiency.

Methods: A cross-sectional study including 100 healthy women without prior thyroid disease, in their first trimester of a singleton pregnancy were recruited from an HMO clinic in central Israel. The women were followed from their first trimester. All women completed a 24-h dietary recall and life habits questionnaires. We tested for UIC, maternal and neonatal thyroid function, maternal autoantibodies, and neonatal outcomes.

Results: Median UIC in our cohort was 49 µg/L [25%-75% interquartile range (IQR) 16-91.5 µg/L], with 84% below adequacy range. No correlation was found between iodine deficiency and maternal or neonatal thyroid function which remained within normal ranges. Antibody status did not differ, but thyroglobulin levels were significantly higher in iodine insufficient subjects. UIC was higher in women consuming an iodine containing supplement. There was no association between UIC and dietary iodine content or water source.

Conclusions: Moderate iodine deficiency is common in our healthy pregnant women population. Our data imply that moderate iodine deficiency in pregnancy seem sufficient to maintain normal maternal and neonatal thyroid function.
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http://dx.doi.org/10.3389/fendo.2020.523319DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7759626PMC
May 2021

Single liver metastasis of a follicular variant of papillary thyroid carcinoma: a rare pattern of organ spread.

Endocrinol Diabetes Metab Case Rep 2020 Aug 20;2020. Epub 2020 Aug 20.

Diabetes, Endocrinology and Metabolic Disease Institute, Kaplan Medical Center, Hebrew University Medical School of Jerusalem, Rehovot, Israel.

Summary: Well-differentiated thyroid cancer (WDTC), including papillary, follicular, and Hurthle-cell types, is characterized by a slow course and usually remain localized to the thyroid. However, a minority of these cases develop distant metastases with the most common sites being lungs, bones, and lymph nodes. Liver metastases of WDTC are rare and are usually found along with other distant metastases sites and in a multiple or diffuse pattern of spread. The recognition of distant metastasis in WDTC has a significant impact on the treatment and prognosis. However, because of their low incidence and awareness, distant metastases are often diagnosed late. Herein, we describe a case of a 71 years old woman who during routine surveillance of a follicular variant of papillary thyroid cancer (FV-PTC), 5 years after being treated for her primary thyroid tumor, was found to have a single liver metastasis and underwent liver segmental resection. This case highlights the importance of maintaining vigilant surveillance of patients with WDTC, and illustrates the possibility of unique metastasis at unexpected sites. Further studies are needed to understand the organ tropism of some WDTC leading to distant metastases development and to better prediction of an aggressive course.

Learning Points: WDTC patients with distant metastases have a poor prognosis with a 10-year survival of about 50%. The most common sites of distant metastases are lung, bone and lymph nodes. Liver metastases are rare in WDTC, are usually multiple or diffuse and are found along with other distant metastases sites. Single liver metastasis of WDTC is an unexpected pattern of spread, and very few cases are reported in the literature. Rare sites of distant metastases in WDTC can manifest many years after the primary tumor, stressing the importance of maintaining vigilant surveillance. More studies are needed to predict which WDTC tumors may develop a more aggressive course, allowing clinicians to individualize patient management.
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http://dx.doi.org/10.1530/EDM-20-0074DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7487177PMC
August 2020

SYMPTOMATIC AND ASYMPTOMATIC HYPOGLYCEMIA POST THREE DIFFERENT BARIATRIC PROCEDURES: A COMMON AND SEVERE COMPLICATION.

Endocr Pract 2019 Aug 14. Epub 2019 Aug 14.

Diabetes, Endocrinology and Metabolic Disease Institute, Kaplan Medical Center, Hebrew University Medical School, Rehovot, Israel.

The prevalence of post-bariatric surgery hypoglycemia (PBH) remains unclear due to diagnostic criteria variability, types of bariatric procedures and possible unawareness. To determine the frequency, pattern and severity of symptomatic and asymptomatic hypoglycemia in subjects post three different bariatric procedures performed >1 year before evaluation and a group of obese subjects before surgery. Observational cohort study. Fifty-one consecutive patients participated: post Roux-en-Y gastric-bypass (RYGB) (n=16), post omega-loop gastric-bypass (OLGB) (n=12), post sleeve-gastrectomy (SG) (n=15), obese subjects before surgery (controls) (n=8). Hypoglycemic events (glucose ≤54 mg/dL) and severe hypoglycemia (glucose ≤40 mg/dL) were evaluated by symptoms' questionnaire, mixed-meal tolerance test (MMTT) and continuous glucose monitoring (CGM). : According to questionnaires, meal-related complaints were reported in 11 (26%) of the surgical group and in one control subject. During MMTT, 88%, 82% and 67% experienced hypoglycemia in RYGB, OMGB and SG groups, respectively, vs. none of the controls (P<0.001). Severe hypoglycemia occurred in 38%, 45% and 7% in RYGB, OMGB and SG groups, respectively (P=0.025), but only 10 of the total operated patients (24%) reported any symptoms. During CGM, fasting hypoglycemic events occurred more in RYGB and OLGB vs. SG group: 55%, 63% and 17% respectively (P=0.036). : PBH is very common after RYGB, OMGB and SG and can be severe especially following bypass procedures. Our results show that hypoglycemia occurs not only postprandially but also in the fasting state, especially following bypass procedures. In most cases, there were no specific complaints, possibly leading to its underestimation.
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http://dx.doi.org/10.4158/EP-2019-0185DOI Listing
August 2019
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