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https://www.readbyqxmd.com/read/28918145/short-communication-relationship-between-methods-for-measurement-of-serum-electrolytes-and-the-relationship-between-ionized-and-total-calcium-and-neutrophil-oxidative-burst-activity-in-early-postpartum-dairy-cows
#1
B M Leno, E M Martens, M J B Felippe, K P Zanzalari, J C Lawrence, T R Overton
The objectives of this study were to (1) compare a test for serum measurement of total Ca (tCa), Mg, and P (VetTest Chemistry Analyzer, IDEXX Laboratories Inc., Westbrook, ME) to reference methods (spectrophotometric assays on a Beckman Coulter 640e automated clinical chemistry analyzer; Beckman Coulter, Brea, CA), (2) determine the relationship between ionized Ca (iCa) and reference method tCa in the immediate postpartum period, and (3) assess the relative value of these blood Ca indices as predictors of neutrophil oxidative burst activity...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28914984/hypercalcemic-disorders-in-children
#2
REVIEW
Victoria J Stokes, Morten F Nielsen, Fadil M Hannan, Rajesh V Thakker
Hypercalcemia is defined as a serum calcium concentration that is greater than 2 standard deviations above the normal mean, which in children may vary with age and sex, reflecting changes in the normal physiology at each developmental stage. Hypercalcemic disorders in children may present with hypotonia, poor feeding, vomiting, constipation, abdominal pain, lethargy, polyuria, dehydration, failure to thrive and seizures. In severe cases renal failure, pancreatitis and reduced consciousness may also occur and older children and adolescents may present with psychiatric symptoms...
September 15, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28911162/response-to-letter-hypoparathyroidism-less-severe-hypocalcemia-with-treatment-with-vitamin-d2-compared-with-calcitriol
#3
Elizabeth A Streeten
No abstract text is available yet for this article.
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28911157/letter-to-the-editor-hypoparathyroidism-less-severe-hypocalcemia-with-treatment-with-vitamin-d2-compared-with-calcitriol
#4
Symeon Tournis
No abstract text is available yet for this article.
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28895449/stratifying-the-risk-of-developing-clinical-hypocalcemia-after-thyroidectomy-with-parathyroid-hormone
#5
Alejandro Castro, Laura Del Rio, Javier Gavilan
Objective To identify the risk of clinical hypocalcemia in the first hours after thyroidectomy. Study Design Prospective observational study. Setting Single-institution tertiary hospital in Madrid, Spain. Subjects and Methods A total of 123 patients who underwent total or completion thyroidectomy between June 2010 and March 2012 were included. Pre- and postoperative intact parathyroid hormone (iPTH) levels were obtained. Patients remain hospitalized a minimum of 48 hours until blood calcium stabilized. Calcium and/or vitamin D supplements were prescribed only when signs or symptoms of hypocalcemia developed...
September 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28869940/severe-secondary-hyperparathyroidism-in-a-hemodialysis-patient-a-case-report-from-mongolia
#6
Saruultuvshin Adiya, Khurtsbayar Damdinsuren, Chuluuntsetseg Dorj
Secondary hyperparathyroidism (SHPT) occurs in patients with chronic renal failure complicated with renal bone disease and soft tissue/vascular calcification. In dialysis patients with severe SHPT, medical treatment may fail and parathyroidectomy (PTX) is indicated for definitive treatment. Severe hypocalcemia from hungry bone disease or postoperative hypoparathyroidism may occur during the postoperative period. We report here a case of severe SHPT in a hemodialysis patient treated with phosphate binders, calcitriol, and calcimimetics but who still required PTX...
2017: Blood Purification
https://www.readbyqxmd.com/read/28867727/influence-of-japanese-regulatory-action-on-denosumab-related-hypocalcemia-using-japanese-adverse-drug-event-report-database
#7
Mayu Takeyama, Kimie Sai, Takuya Imatoh, Katsunori Segawa, Noriyasu Hirasawa, Yoshiro Saito
The anti-receptor activator of nuclear factor kappa-B ligand (RANKL) antibody, Denosumab (DEN), was approved in April 2012 in Japan, but a Dear Healthcare Professional Letter of Rapid Safety Communication was released in September, 2012 by the regulatory authority because of the severe hypocalcemia risks. Currently, the effectiveness of this regulatory action has not been evaluated and, therefore, this study aimed to assess its impact on DEN-induced hypocalcemia using the Japanese Adverse Drug Event Report database (JADER)...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28866981/carpal-spasm-in-a-girl-as-initial-presentation-of-celiac-disease-a-case-report
#8
Atifete Ramosaj-Morina, A Keka-Sylaj, V Hasbahta, A Baloku-Zejnullahu, M Azemi, R Zunec
BACKGROUND: Celiac disease is an immune-mediated disorder elicited by ingestion of gluten in genetically susceptible persons. This disorder is characterized by specific histological changes of the small intestine mucosa resulting in malabsorption. This case was written up as it was an unusual and dramatic presentation of celiac disease. CASE PRESENTATION: We report the case of a 3-year-old Albanian girl who presented at our clinic with carpal spasms and hand paresthesia...
September 4, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28865859/hypocalcemia-cow-level-prevalence-and-preventive-strategies-in-german-dairy-herds
#9
P L Venjakob, S Borchardt, W Heuwieser
Hypocalcemia around calving is considered a gateway disease that can lead to health disorders and decreased milk production. The objective of this cross-sectional study was to evaluate the prevalence of clinical and subclinical hypocalcemia 0 to 48 h after calving. Blood samples were drawn from 12 animals of each dairy farm (n = 115) and analyzed for serum calcium, magnesium, and phosphorus concentration. Cows not affected clinically but with a serum calcium concentration below 2.0 mmol/L were characterized as subclinical hypocalcemic animals...
August 30, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28861367/safety-of-same-day-thyroidectomy-meta-analysis-and-systematic-review
#10
Helmi Khadra, Salah Mohamed, Adam Hauch, John Carter, Tian Hu, Emad Kandil
BACKGROUND: Performance of thyroid surgery as a same day surgery procedure has been a controversial topic. This study aimed to compare the safety and efficacy of outpatient thyroid surgery with inpatient thyroid surgery by meta-analysis of current literature. METHODS: Articles were identified from the following keyword searches: outpatient thyroidectomy/thyroid surgery, same day thyroidectomy/thyroid surgery. Outcomes included perioperative complications including recurrent laryngeal nerve (RLN) injury, hypocalcemia, and readmissions...
August 2017: Gland Surgery
https://www.readbyqxmd.com/read/28861366/serum-phosphorus-values-for-early-prediction-of-hypocalcemia-in-total-thyroidectomy
#11
EDITORIAL
Anand Kumar Mishra, Pooja Ramakant, Kulranjan Singh
No abstract text is available yet for this article.
August 2017: Gland Surgery
https://www.readbyqxmd.com/read/28853704/comparison-of-hypoalbuminemia-corrected-serum-calcium-using-bcp-albumin-assay-to-ionized-calcium-and-impact-on-prescribing-in-hemodialysis-patients%C3%A2
#12
Wenxin Cindy Pan, Wynnie Lau, Andre Mattman, Mercedeh Kiaii, Beverly Jung
BACKGROUND: Albumin-corrected calcium (cCa) is recommended over ionized calcium (iCa) in hemodialysis (HD) patients per the Kidney Disease: Improving Global Outcomes position statements due to cost and feasibility. Two common albumin assays, bromocresol green (BCG) and bromocresol purple (BCP), produce differing results in uremic patients. All previous studies compared iCa to cCa from a BCG assay. This study, using the BCP assay, aimed to compare cCa and total calcium, respectively, to iCa...
August 30, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28842998/postoperative-ipth-compared-with-ipth-gradient-as-predictors-of-post-thyroidectomy-hypocalcemia
#13
Mai G Al Khadem, Eleni M Rettig, Vaninder K Dhillon, Jonathon O Russell, Ralph P Tufano
OBJECTIVES/HYPOTHESIS: Predicting patients' risk for hypocalcemia after thyroidectomy may allow for same-day discharge. This study was designed to compare postoperative intact parathyroid hormone (IPTH) alone with percentage change in IPTH (IPTH gradient) in predicting post-thyroidectomy hypocalcemia. STUDY DESIGN: Retrospective cohort study. METHODS: Patients undergoing total thyroidectomy by the senior author from May 2015 to May 2016 were included...
August 26, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28836058/long-term-effects-of-etelcalcetide-as-intravenous-calcimimetic-therapy-in-hemodialysis-patients-with-secondary-hyperparathyroidism
#14
Takashi Shigematsu, Masafumi Fukagawa, Keitaro Yokoyama, Takashi Akiba, Akifumi Fujii, Motoi Odani, Tadao Akizawa
BACKGROUND: Secondary hyperparathyroidism (SHPT) is a serious major complication in hemodialysis patients with chronic kidney disease. Long-term maintenance of serum phosphate, calcium, and parathyroid hormone (PTH) levels in appropriate ranges in these patients is a major challenge. We investigated the efficacy and safety of long-term treatment with etelcalcetide, a novel intravenous calcimimetic, in Japanese SHPT patients on long-term hemodialysis. METHODS: This study was a multicenter open-label study...
August 23, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28835974/-hypercalcemic-crisis-and-hypocalcemic-tetany
#15
REVIEW
C Kasperk
A serum calcium level >3.5 mmol/l together with clinical symptoms such as muscle weakness, fatigue, nausea, vomiting, pancreatitis or even coma are characteristic for a hypercalcemic crisis (HC). Primary hyperparathyroidism (1HPT) and malignancy-associated hypercalcemia are the most frequent causal diseases for a HC. The analysis of serum levels for calcium, phosphorous, intact parathyroid hormone, electrophoresis and renal function parameters indicate which further radiological, scintigraphic or serum diagnostic steps are adequate to identify the cause of the patient's acute situation (i...
August 23, 2017: Der Internist
https://www.readbyqxmd.com/read/28835738/is-outpatient-thyroid-surgery-for-everyone
#16
REVIEW
Dale Butler, Sarah Oltmann
Thyroidectomy is a common surgical procedure. Traditionally, surgeons have performed thyroidectomy on an inpatient basis. However, consistent with current trends in surgery, some practices are transitioning thyroidectomy to an outpatient setting. Although concerns for hypocalcemia and postoperative bleeding exist regardless of surgeon experience, multiple studies demonstrate that outpatient thyroidectomy is safe in the hands of high-volume surgeons. Indeed, experienced thyroid surgeons who perform thyroidectomy in an outpatient setting experience excellent patient outcomes and reduced costs...
2017: Clinical Medicine Insights. Ear, Nose and Throat
https://www.readbyqxmd.com/read/28833561/development-of-a-multivariate-predictive-model-to-estimate-ionized-calcium-concentration-from-serum-biochemical-profile-results-in-dogs
#17
J Danner, M D Ridgway, S I Rubin, K Le Boedec
BACKGROUND: Ionized calcium concentration is the gold standard to assess calcium status in dogs, but measurement is not always available. OBJECTIVES: (1) To predict ionized calcium concentration from biochemical results and compare the diagnostic performance of predicted ionized calcium concentration (piCa) to those of total calcium concentration (tCa) and 2 corrected tCa formulas; and (2) to study the relationship between biochemical results and variation of measured ionized calcium concentration (miCa)...
September 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28828345/evaluation-of-bone-density-serum-total-and-ionized-calcium-alkaline-phosphatase-and-25-hydroxy-vitamin-d-in-papillary-thyroid-carcinoma-and-their-relationship-with-tsh-suppression-by-levothyroxine
#18
Ali Kachui, Seyed Mashaallah Tabatabaizadeh, Bijan Iraj, Hasan Rezvanian, Awat Feizi
BACKGROUND: This study aimed to evaluate the situation of Bone Mineral Density (BMD), Z score, T score, serum level of corrected and ionized calcium, alkaline phosphatase and 25-hydroxy vitamin D in percutaneous transhepatic cholangiography (PTC) patients and correlation of these variants with thyroid stimulating hormone (TSH) suppression level by levothyroxine. MATERIALS AND METHODS: Among the patients referred to Esfahan's endocrinology research center, 34 PTC patients (aged 20-50 years) with a history of thyroidectomy and conceived radioactive iodine and suppressive dose of levothyroxine were evaluated in this case-control study, and 38 healthy persons participated as the control group (matched by age and sex, body mass index)...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28807528/clinical-course-of-incidental-parathyroidectomy-single-center-experience
#19
Sabri Özden, Ahmet Erdoğan, Besir Simsek, Baris Saylam, Baris Yıldız, Mesut Tez
OBJECTIVE: Thyroidectomy is a very common surgical procedure. Regardless of surgeon experience, incidental parathyroidectomy is a complication of thyroidectomy. The aim of this study was to identify the clinical course of incidental parathyroidectomies after thyroidectomy. METHODS: Patients who underwent thyroidectomy between January 2010 and June 2014 were evaluated retrospectively. Pathology reports were reviewed for the presence of parathyroid tissue in the thyroidectomy pathology specimens...
August 11, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28806048/electrolytes-calcium-disorders
#20
Craig Barstow
A normal serum calcium level is 8 to 10 mg/dL. The diagnosis of hypercalcemia (ie, levels 10.5 mg/dL or greater) should be confirmed with an albumin-adjusted or ionized calcium level. The two most common causes of hypercalcemia are hyperparathyroidism and malignancy. Drugs, notably lithium and thiazide diuretics, also can cause hypercalcemia. Patients with severe or symptomatic hypercalcemia should be treated initially with hydration to decrease calcium levels. The evaluation should include a parathyroid hormone (PTH) level...
August 2017: FP Essentials
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