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Waheed A, Awais SB, Kamboj S, Mahmud H. Endocrine Emergencies. Prim Care 2024; 51:495-510. [PMID: 39067974 DOI: 10.1016/j.pop.2024.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Endocrine emergencies encompass a group of conditions that occur when hormonal deficiency or excess results in acute presentation. If these endocrine disorders are not rapidly identified or if specific treatment is delayed, significant complications or even death may occur. This article outlines the basics of endocrine emergencies involving the thyroid, parathyroid, pituitary, pancreas, and adrenal glands. It discusses various causative factors, diagnostic approaches, and treatment modalities, emphasizing the significance of preventive measures. This article is aimed at guiding health care professionals, and this overview seeks to enhance understanding and improve patient outcomes in managing endocrine emergencies.
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Affiliation(s)
- Abdul Waheed
- Department of Family Medicine, Dignity Health Medical Group, Creighton University School of Medicine, Phoenix, AZ, USA.
| | - Shehar Bano Awais
- WellSpan Good Samaritan Hospital Family Medicine Residency Program, PO Box 1520, Lebanon, PA 17042, USA. https://twitter.com/Sheharbanoawais
| | - Sukhjeet Kamboj
- WellSpan Good Samaritan Hospital Family Medicine Residency Program, PO Box 1520, Lebanon, PA 17042, USA
| | - Hussain Mahmud
- Department of Medicine, Endocrinology Division, UPMC Center for Endocrinology & Metabolism, University of Pittsburgh Medical College, 3601 5th Avenue, Falk Suite 3B, Pittsburgh, PA 15213, USA
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Yong MHA, Seng JJB, Tan YLC, Wong J, How P. Prevalence and outcomes associated with hypocalcaemia and hypercalcaemia among pre-dialysis chronic kidney disease patients with mineral and bone disorder. Singapore Med J 2024; 65:421-429. [PMID: 36453429 PMCID: PMC11382823 DOI: 10.4103/singaporemedj.smj-2021-391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 02/09/2022] [Indexed: 11/10/2022]
Abstract
INTRODUCTION Chronic kidney disease-mineral and bone disease (CKD-MBD) is a complication of chronic kidney disease (CKD) involving derangements in serum calcium and phosphate. This study aims to evaluate hypo- and hypercalcaemia and their associated outcomes among pre-dialysis CKD patients. METHODS A retrospective cohort study was performed and included all adult CKD stage 4-stage 5 patients who were on treatment for CKD-MBD between 2016 and 2017. Each patient was followed up for 3 years. Hypo- and hypercalcaemia were defined as serum corrected calcium (Ca 2+ ) <2.10 and >2.46 mmol/L, respectively. Outcomes evaluated included all-cause mortality and cardiovascular events. Multivariate Cox regression analysis was done to evaluate the association of hypocalcaemia and/or hypercalcaemia with the clinical outcomes. Severity of hypocalcaemia episode was classified as 'mild' (Ca 2+ : between 1.90 and 2.10 mmol/L) and 'severe' (Ca 2+ : <1.90 mmol/L). Severity of hypercalcaemia was classified as 'mild' (Ca 2+ : between 2.47 and 3.00 mmol/L), moderate (Ca 2+ : between 3.01 and 3.50 mmol/L) and severe (Ca 2+ : >3.50 mmol/L). RESULTS Of the 400 patients, 169 (42.2%) and 94 (23.5%) patients experienced hypocalcaemia and hypercalcaemia, respectively. Severe hypocalcaemia was more prevalent in CKD stage 5 compared to CKD stage 4 (96 [40.5%] vs. 36 [25.9%], P = 0.004). Results from multivariate analyses after adjustment showed that hypocalcaemia and/or hypercalcaemia were not associated with all-cause mortality ( P > 0.05) or the occurrence of cardiovascular events ( P > 0.05). CONCLUSION Hypocalcaemia and hypercalcaemia episodes were prevalent among pre-dialysis CKD patients. Studies with longer follow-up durations are required to assess the effects of calcium derangements on clinical outcomes.
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Affiliation(s)
| | | | | | - Jiunn Wong
- Department of Renal Medicine, Singapore General Hospital, Singapore
| | - Priscilla How
- Department of Pharmacy, National University of Singapore, Singapore
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Xu J, Kong N, Bai N, Zhang Z, Cui A, Tan S, Xu Q. Identification of novel risk factors for postoperative severe hypocalcemia in patients with primary hyperparathyroidism undergoing parathyroidectomy: a case control study. BMC Endocr Disord 2024; 24:88. [PMID: 38867205 PMCID: PMC11167831 DOI: 10.1186/s12902-024-01620-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 06/07/2024] [Indexed: 06/14/2024] Open
Abstract
BACKGROUND Patients with primary hyperparathyroidism (PHPT) are at risk for severe hypocalcemia (SH) following parathyroidectomy (PTX), but limited data exist on the predictors of SH. We aimed to identify risk factors for early postoperative SH after PTX in patients with PHPT and to evaluate the predictive value of clinical parameters. METHODS A retrospective review of patients with PHPT who underwent PTX between January 2010 and December 2022 was performed. A total of 46 patients were included in the study, with 15 (32.6%) experiencing postoperative SH, 19 (41.3%) having calculi in the ureter or kidney, and 37 (80.4%) having osteoporosis. Patients were divided into SH and non-SH groups based on postoperative serum calcium levels. Preoperative biochemical indicators, bone turnover markers, and renal function parameters were analyzed and correlated with postoperative SH. RESULTS Statistically significant (P < 0.05) differences were found in preoperative serum calcium (serum Ca), intact parathyroid hormone, serum phosphorus (serum P), serum Ca/P, percentage decrease of serum Ca, total procollagen type 1 intact N-terminal propeptide, osteocalcin (OC), and alkaline phosphatase levels between the two groups. Multivariate analysis showed that serum P (odds ratio [OR] = 0.989; 95% confidence interval [95% CI] = 0.981-0.996; P = 0.003), serum Ca (OR = 0.007; 95% CI = 0.001-0.415; P = 0.017), serum Ca/P (OR = 0.135; 95% CI = 0.019-0.947; P = 0.044) and OC levels (OR = 1.012; 95% CI = 1.001-1.024; P = 0.036) were predictors of early postoperative SH. The receiver operating characteristic curve analysis revealed that serum P (area under the curve [AUC] = 0.859, P < 0.001), serum Ca/P (AUC = 0.735, P = 0.010) and OC (AUC = 0.729, P = 0.013) had high sensitivity and specificity. CONCLUSION Preoperative serum P, serum Ca/P and osteocalcin levels may identify patients with PHPT at risk for early postoperative SH after PTX.
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Affiliation(s)
- Jiahao Xu
- General Surgery of Beijing Jishuitan Hospital, Capital Medical University, The Fourth Clinical Medical College of Peking University, 68 Huinanbei Road, Changping District, Beijing, 100096, China
| | - Na Kong
- General Surgery of Beijing Jishuitan Hospital, Capital Medical University, The Fourth Clinical Medical College of Peking University, 68 Huinanbei Road, Changping District, Beijing, 100096, China
| | - Nan Bai
- General Surgery of Beijing Jishuitan Hospital, Capital Medical University, The Fourth Clinical Medical College of Peking University, 68 Huinanbei Road, Changping District, Beijing, 100096, China
| | - Ziqin Zhang
- General Surgery of Beijing Jishuitan Hospital, Capital Medical University, The Fourth Clinical Medical College of Peking University, 68 Huinanbei Road, Changping District, Beijing, 100096, China
| | - Aimin Cui
- General Surgery of Beijing Jishuitan Hospital, Capital Medical University, The Fourth Clinical Medical College of Peking University, 68 Huinanbei Road, Changping District, Beijing, 100096, China
| | - Shen Tan
- General Surgery of Beijing Jishuitan Hospital, Capital Medical University, The Fourth Clinical Medical College of Peking University, 68 Huinanbei Road, Changping District, Beijing, 100096, China
| | - Qiqi Xu
- General Surgery of Beijing Jishuitan Hospital, Capital Medical University, The Fourth Clinical Medical College of Peking University, 68 Huinanbei Road, Changping District, Beijing, 100096, China.
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Deepu V, Rai V, Agrawal DK. Quantitative Assessment of Intracellular Effectors and Cellular Response in RAGE Activation. ARCHIVES OF INTERNAL MEDICINE RESEARCH 2024; 7:80-103. [PMID: 38784044 PMCID: PMC11113086 DOI: 10.26502/aimr.0168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
The review delves into the methods for the quantitative assessment of intracellular effectors and cellular response of Receptor for Advanced Glycation End products (RAGE), a vital transmembrane receptor involved in a range of physiological and pathological processes. RAGE bind to Advanced Glycation End products (AGEs) and other ligands, which in turn activate diverse downstream signaling pathways that impact cellular responses such as inflammation, oxidative stress, and immune reactions. The review article discusses the intracellular signaling pathways activated by RAGE followed by differential activation of RAGE signaling across various diseases. This will ultimately guide researchers in developing targeted and effective interventions for diseases associated with RAGE activation. Further, we have discussed how PCR, western blotting, and microscopic examination of various molecules involved in downstream signaling can be leveraged to monitor, diagnose, and explore diseases involving proteins with unique post-translational modifications. This review article underscores the pressing need for advancements in molecular approaches for disease detection and management involving RAGE.
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Affiliation(s)
- Vinitha Deepu
- Department of Translational Research, Western University of Health Sciences, Pomona, California 91763, USA
| | - Vikrant Rai
- Department of Translational Research, Western University of Health Sciences, Pomona, California 91763, USA
| | - Devendra K Agrawal
- Department of Translational Research, Western University of Health Sciences, Pomona, California 91763, USA
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Bird ST, Smith ER, Gelperin K, Jung TH, Thompson A, Kambhampati R, Lyu H, Zhao H, Zhao Y, Zhu Y, Easley O, Niak A, Wernecke M, Chillarige Y, Zemskova M, Kelman JA, Graham DJ. Severe Hypocalcemia With Denosumab Among Older Female Dialysis-Dependent Patients. JAMA 2024; 331:491-499. [PMID: 38241060 PMCID: PMC10799290 DOI: 10.1001/jama.2023.28239] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 12/27/2023] [Indexed: 01/22/2024]
Abstract
Importance Dialysis-dependent patients experience high rates of morbidity from fractures, yet little evidence is available on optimal treatment strategies. Chronic kidney disease-mineral and bone disorder is nearly universal in dialysis-dependent patients, complicating diagnosis and treatment of skeletal fragility. Objective To examine the incidence and comparative risk of severe hypocalcemia with denosumab compared with oral bisphosphonates among dialysis-dependent patients treated for osteoporosis. Design, Setting, and Participants Retrospective cohort study of female dialysis-dependent Medicare patients aged 65 years or older who initiated treatment with denosumab or oral bisphosphonates from 2013 to 2020. Clinical performance measures including monthly serum calcium were obtained through linkage to the Consolidated Renal Operations in a Web-Enabled Network database. Exposures Denosumab, 60 mg, or oral bisphosphonates. Main Outcomes and Measures Severe hypocalcemia was defined as total albumin-corrected serum calcium below 7.5 mg/dL (1.88 mmol/L) or a primary hospital or emergency department hypocalcemia diagnosis (emergent care). Very severe hypocalcemia (serum calcium below 6.5 mg/dL [1.63 mmol/L] or emergent care) was also assessed. Inverse probability of treatment-weighted cumulative incidence, weighted risk differences, and weighted risk ratios were calculated during the first 12 treatment weeks. Results In the unweighted cohorts, 607 of 1523 denosumab-treated patients and 23 of 1281 oral bisphosphonate-treated patients developed severe hypocalcemia. The 12-week weighted cumulative incidence of severe hypocalcemia was 41.1% with denosumab vs 2.0% with oral bisphosphonates (weighted risk difference, 39.1% [95% CI, 36.3%-41.9%]; weighted risk ratio, 20.7 [95% CI, 13.2-41.2]). The 12-week weighted cumulative incidence of very severe hypocalcemia was also increased with denosumab (10.9%) vs oral bisphosphonates (0.4%) (weighted risk difference, 10.5% [95% CI, 8.8%-12.0%]; weighted risk ratio, 26.4 [95% CI, 9.7-449.5]). Conclusions and Relevance Denosumab was associated with a markedly higher incidence of severe and very severe hypocalcemia in female dialysis-dependent patients aged 65 years or older compared with oral bisphosphonates. Given the complexity of diagnosing the underlying bone pathophysiology in dialysis-dependent patients, the high risk posed by denosumab in this population, and the complex strategies required to monitor and treat severe hypocalcemia, denosumab should be administered after careful patient selection and with plans for frequent monitoring.
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Affiliation(s)
- Steven T. Bird
- Office of Pharmacovigilance and Epidemiology, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland
| | | | - Kate Gelperin
- Office of Pharmacovigilance and Epidemiology, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland
| | - Tae Hyun Jung
- Division of Biometrics, Office of Biostatistics, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland
| | - Aliza Thompson
- Division of Cardiology and Nephrology, Office of Cardiology, Hematology, Endocrinology, and Nephrology, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland
| | - Rekha Kambhampati
- Division of Cardiology and Nephrology, Office of Cardiology, Hematology, Endocrinology, and Nephrology, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland
| | - Hai Lyu
- Acumen LLC, Burlingame, California
| | | | - Yueqin Zhao
- Division of Biometrics, Office of Biostatistics, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland
| | | | - Olivia Easley
- Division of General Endocrinology, Office of Cardiology, Hematology, Endocrinology, and Nephrology, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland
| | - Ali Niak
- Office of Pharmacovigilance and Epidemiology, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland
| | | | | | - Marina Zemskova
- Division of General Endocrinology, Office of Cardiology, Hematology, Endocrinology, and Nephrology, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland
| | | | - David J. Graham
- Office of Pharmacovigilance and Epidemiology, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland
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van Dijk SPJ, van Driel MHE, van Kinschot CMJ, Engel MFM, Franssen GJH, van Noord C, Visser WE, Verhoef C, Peeters RP, van Ginhoven TM. Management of Postthyroidectomy Hypoparathyroidism and Its Effect on Hypocalcemia-Related Complications: A Meta-Analysis. Otolaryngol Head Neck Surg 2024; 170:359-372. [PMID: 38013484 DOI: 10.1002/ohn.594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/12/2023] [Accepted: 11/04/2023] [Indexed: 11/29/2023]
Abstract
OBJECTIVE The aim of this Meta-analysis is to evaluate the impact of different treatment strategies for early postoperative hypoparathyroidism on hypocalcemia-related complications and long-term hypoparathyroidism. DATA SOURCES Embase.com, MEDLINE, Web of Science Core Collection, Cochrane Central Register of Controlled Trials, and the top 100 references of Google Scholar were searched to September 20, 2022. REVIEW METHODS Articles reporting on adult patients who underwent total thyroidectomy which specified a treatment strategy for postthyroidectomy hypoparathyroidism were included. Random effect models were applied to obtain pooled proportions and 95% confidence intervals. Primary outcome was the occurrence of major hypocalcemia-related complications. Secondary outcome was long-term hypoparathyroidism. RESULTS Sixty-six studies comprising 67 treatment protocols and 51,096 patients were included in this Meta-analysis. In 8 protocols (3806 patients), routine calcium and/or active vitamin D medication was given to all patients directly after thyroidectomy. In 49 protocols (44,012 patients), calcium and/or active vitamin D medication was only given to patients with biochemically proven postthyroidectomy hypoparathyroidism. In 10 protocols (3278 patients), calcium and/or active vitamin D supplementation was only initiated in case of clinical symptoms of hypocalcemia. No patient had a major complication due to postoperative hypocalcemia. The pooled proportion of long-term hypoparathyroidism was 2.4% (95% confidence interval, 1.9-3.0). There was no significant difference in the incidence of long-term hypoparathyroidism between the 3 supplementation groups. CONCLUSIONS All treatment strategies for postoperative hypocalcemia prevent major complications of hypocalcemia. The early postoperative treatment protocol for postthyroidectomy hypoparathyroidism does not seem to influence recovery of parathyroid function in the long term.
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Affiliation(s)
- Sam P J van Dijk
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - M H Elise van Driel
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Caroline M J van Kinschot
- Department of Internal Medicine, Maasstad Hospital Rotterdam, Rotterdam, The Netherlands
- Department of Internal Medicine and Thyroid Diseases, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Maarten F M Engel
- Medical Library, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Gaston J H Franssen
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Charlotte van Noord
- Department of Internal Medicine, Maasstad Hospital Rotterdam, Rotterdam, The Netherlands
| | - W Edward Visser
- Department of Internal Medicine and Thyroid Diseases, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Cornelis Verhoef
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Robin P Peeters
- Department of Internal Medicine and Thyroid Diseases, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Tessa M van Ginhoven
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
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Alhakami M, Lajdam GB, Ghaddaf AA, Alayoubi S, Alhelali S, Alshareef M, Alharbi J. Preoperative Vitamin D and Calcium Administration in Patients Undergoing Thyroidectomy: A Systematic Review and Meta-analysis of Randomized Controlled Trials. OTO Open 2024; 8:e116. [PMID: 38371915 PMCID: PMC10870329 DOI: 10.1002/oto2.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/27/2023] [Accepted: 01/21/2024] [Indexed: 02/20/2024] Open
Abstract
Objective This systematic review and meta-analysis aimed to assess whether preoperative administration of calcium and vitamin D prevents postoperative hypocalcemia. Data Sources A computerized search in Medline, Embase, and CENTRAL databases was performed. Review Methods Trials comparing preoperative calcium and vitamin D administration with either placebo or nothing were eligible for inclusion. The primary outcomes were the occurrence of laboratory hypocalcemia, mean postoperative calcium level, and symptomatic hypocalcemia. The secondary outcomes were the development of permanent hypoparathyroidism and length of hospitalization. Continuous outcomes were represented as standardized mean difference (SMD), and dichotomous outcomes were represented as risk ratio (RR). Results Nine trials that enrolled 1079 patients were found eligible. Postoperative laboratory hypocalcemia occurred less in patients who received preoperative calcium and vitamin D, but it was not statistically significant (RR = 0.77, 95% CI: 0.60-1.00; P = .05). Mean postoperative calcium level was significantly higher in the intervention group (SMD = 0.10, 95% CI: 0.07-0.12; P < .00001). The number of patients with symptomatic hypocalcemia was significantly lower in the intervention group (RR = 0.54, 95% CI: 0.38-0.76; P = .0005). There was no significant difference between the 2 groups in cases of permanent hypoparathyroidism and length of hospitalization. Conclusion Administration of calcium and vitamin D preoperatively achieves lower rates of postthyroidectomy symptomatic hypocalcemia in comparison with no intervention.
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Affiliation(s)
- Mohammed Alhakami
- College of MedicineKing Saud bin Abdulaziz University for Health SciencesJeddahSaudi Arabia
- King Abdullah International Medical Research CenterJeddahSaudi Arabia
| | - Ghassan B. Lajdam
- College of MedicineKing Saud bin Abdulaziz University for Health SciencesJeddahSaudi Arabia
- King Abdullah International Medical Research CenterJeddahSaudi Arabia
| | - Abdullah A. Ghaddaf
- College of MedicineKing Saud bin Abdulaziz University for Health SciencesJeddahSaudi Arabia
- King Abdullah International Medical Research CenterJeddahSaudi Arabia
| | - Sarah Alayoubi
- Department of Otolaryngology‐Head & Neck Surgery, King Saud bin Abdulaziz University for Health SciencesKing Abdulaziz Medical CityJeddahSaudi Arabia
| | - Shaden Alhelali
- Collage of MedicineIbn Sina National Collage for Medical StudiesJeddahSaudi Arabia
| | - Mohammad Alshareef
- Department of Otolaryngology‐Head & Neck Surgery, King Saud bin Abdulaziz University for Health SciencesKing Abdulaziz Medical CityJeddahSaudi Arabia
| | - Jabir Alharbi
- Head & Neck and Skull Base Health CenterKing Abdullah Medical CityMakkahSaudi Arabia
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van Kinschot CMJ, Lončar I, van Ginhoven TM, Visser WE, Peeters RP, van Noord C. A symptom-based algorithm for calcium management after thyroid surgery: a prospective multicenter study. Eur Thyroid J 2023; 12:e230044. [PMID: 37655701 PMCID: PMC10563616 DOI: 10.1530/etj-23-0044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 08/30/2023] [Indexed: 09/02/2023] Open
Abstract
Objective Evidence-based treatment guidelines for the management of postthyroidectomy hypocalcemia are absent. The aim of this study was to evaluate a newly developed symptom-based treatment algorithm including a protocolized attempt to phase out supplementation. Methods In a prospective multicenter study, patients were treated according to the new algorithm and compared to a historical cohort of patients treated with a biochemically based approach. The primary outcome was the proportion of patients receiving calcium and/or alfacalcidol supplementation. Secondary outcomes were calcium-related complications and predictors for supplementation. Results One hundred thirty-four patients were included prospectively, and compared to 392 historical patients. The new algorithm significantly reduced the proportion of patients treated with calcium and/or alfacalcidol during the first postoperative year (odds ratio (OR): 0.36 (95% CI: 0.23-0.54), P < 0.001), and persistently at 12 months follow-up (OR: 0.51 (95% CI: 0.28-0.90), P < 0.05). No severe calcium-related complications occurred, even though calcium-related visits to the emergency department and readmissions increased (OR: 11.5 (95% CI: 4.51-29.3), P <0.001) and (OR: 3.46 (95% CI: 1.58-7.57), P < 0.05), respectively. The proportional change in pre- to postoperative parathyroid hormone (PTH) was an independent predictor for supplementation (OR: 1.04 (95% CI: 1.02-1.07), P < 0.05). Conclusions Symptom-based management of postthyroidectomy hypocalcemia and a protocolized attempt to phase out supplementation safely reduced the proportion of patients receiving supplementation, although the number of calcium-related hospital visits increased. For the future, we envision a more individualized treatment approach for patients at risk for delayed symptomatic hypocalcemia, including the proportional change in pre- to post- operative PTH.
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Affiliation(s)
- Caroline M J van Kinschot
- Department of Internal Medicine, Maasstad Hospital, Rotterdam, The Netherlands
- Academic Center for Thyroid Diseases, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Ivona Lončar
- Academic Center for Thyroid Diseases, Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Tessa M van Ginhoven
- Academic Center for Thyroid Diseases, Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - W Edward Visser
- Academic Center for Thyroid Diseases, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Robin P Peeters
- Academic Center for Thyroid Diseases, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Charlotte van Noord
- Department of Internal Medicine, Maasstad Hospital, Rotterdam, The Netherlands
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Okuno F, Ito-Masui A, Hane A, Maeyama K, Ikejiri K, Ishikura K, Yanagisawa M, Dohi K, Suzuki K. Severe hypocalcemia after denosumab treatment leading to refractory ventricular tachycardia and veno-arterial extracorporeal membrane oxygenation support: a case report. Int J Emerg Med 2023; 16:52. [PMID: 37635211 PMCID: PMC10463425 DOI: 10.1186/s12245-023-00529-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 08/20/2023] [Indexed: 08/29/2023] Open
Abstract
BACKGROUND Severe hypocalcemia may lead to life-threatening arrhythmias. Denosumab is an effective treatment for osteoporosis that allows long intervals between doses. However, there is a risk of hypocalcemia in some patients. Due to the long half-life of denosumab, emergency physicians caring for patients presenting with symptoms of hypocalcemia may not be aware of the medication, and adverse effects may last longer. CASE PRESENTATION A 55-year-old woman with a history of systemic lupus erythematosus (SLE) and anxiety disorder called for an ambulance for symptoms of hyperventilation and muscle cramps. After evaluation at the local hospital, she developed pulseless ventricular tachycardia and was resuscitated by defibrillation by the hospital staff. After conversion to sinus rhythm, she was transported to a tertiary center. Upon arrival, pulseless ventricular tachycardia occurred again, and veno-arterial extracorporeal membrane oxygenation (ECMO) and intra-aortic balloon pumping (IABP) were implemented. Laboratory results showed severe hypocalcemia (corrected calcium level of 5.3 mg/dL) whereupon intravenous calcium supplementation was started. She had received the first dose of denosumab (60 mg) by subcutaneous injection 24 days prior to hospitalization. She was eventually weaned from ECMO and IABP support. CONCLUSION Cardiac arrest due to hypocalcemia is relatively rare but can be fatal. In the present case, hyperventilation may have acutely exacerbated pre-existing hypocalcemia, leading to ventricular tachycardia. The patient had a slightly decreased serum calcium level prior to denosumab. Close monitoring may be preferable after the primary dose of denosumab in selected patients. Emergency physicians caring for patients who may be suffering from symptoms/signs of hypocalcemia must be mindful of medications that have long half-lives and affect electrolyte balance when treating fatal arrhythmia due to hypocalcemia.
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Affiliation(s)
- Fumito Okuno
- Emergency and Critical Care Center, Mie University Hospital, 2-174 Edobashi, Tsu-City, Mie, 514-8507, Japan
| | - Asami Ito-Masui
- Emergency and Critical Care Center, Mie University Hospital, 2-174 Edobashi, Tsu-City, Mie, 514-8507, Japan.
| | - Atsuya Hane
- Emergency and Critical Care Center, Mie University Hospital, 2-174 Edobashi, Tsu-City, Mie, 514-8507, Japan
| | - Keiko Maeyama
- Department of Hematology and Oncology, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu-City, Mie, 514-8507, Japan
| | - Kaoru Ikejiri
- Emergency and Critical Care Center, Mie University Hospital, 2-174 Edobashi, Tsu-City, Mie, 514-8507, Japan
| | - Ken Ishikura
- Emergency and Critical Care Center, Mie University Hospital, 2-174 Edobashi, Tsu-City, Mie, 514-8507, Japan
| | - Masashi Yanagisawa
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu-City, Mie, 514-8507, Japan
| | - Kaoru Dohi
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu-City, Mie, 514-8507, Japan
| | - Kei Suzuki
- Emergency and Critical Care Center, Mie University Hospital, 2-174 Edobashi, Tsu-City, Mie, 514-8507, Japan
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He C, Zhang Y, Li L, Cheng G, Zhang W, Tang Y, Wang C. Risk Factor Analysis and Prediction of Severe Hypocalcemia after Total Parathyroidectomy without Auto-Transplantation in Patients with Secondary Hyperparathyroidism. Int J Endocrinol 2023; 2023:1901697. [PMID: 36700169 PMCID: PMC9870689 DOI: 10.1155/2023/1901697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 12/28/2022] [Accepted: 01/05/2023] [Indexed: 01/18/2023] Open
Abstract
OBJECTIVE Our study aimed to develop and validate a nomogram to predict severe hypocalcemia (SH) before total parathyroidectomy (TPTX) without auto-transplantation in patients with secondary hyperparathyroidism. METHODS A total of 299 consecutive patients who underwent TPTX without transplantation for secondary hyperparathyroidism were selected from the General Hospital of Northern Theater Command between January 2013 and December 2021. Of these, patients who underwent surgery between January 2013 and December 2020 formed the training cohort (n = 208) to develop a nomogram, and those who underwent surgery thereafter formed the validation cohort (n = 91) to validate the performance of this nomogram. Univariate and multivariate logistic regression analyses were used to identify the risk factors associated with SH, and then, a nomogram was constructed. RESULTS The incidence of postoperative SH was 27.9% and 35.2% in the training and validation cohorts, respectively. The preoperative factors associated with SH were younger age, lower serum calcium (Ca) level, higher intact parathyroid hormone (iPTH) level, and higher serum alkaline phosphatase (ALP) level. Incorporating these 4 factors, the nomogram achieved good concordance indexes of 0.866 (95%CI, 0.816-0.916) and 0.867 (95% CI, 0.793-0.941) in predicting SH in the training and validation cohorts, respectively, and had well-fitted calibration curves. The positive predictive values of the nomogram were 64.7% (54.1%-78.4%) and 75.0% (58.6%-88.5%), and negative predictive values of the nomogram were 90.0% (82.9%-93.6%) and 86.4% (73.5%-94.0%) for the training and validation cohorts, respectively. CONCLUSIONS We developed and validated a nomogram for the prediction of SH in patients who underwent TPTX without auto-transplantation for secondary hyperparathyroidism. Our nomogram may facilitate the identification of high-risk SH in patients after TPTX and optimization of preoperative decision-making.
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Affiliation(s)
- Chenchen He
- Department of Hepatobiliary and Thyroid Surgery, General Hospital of Northern Theater Command, Shenyang, China
- China Medical University, Shenyang, China
| | - Yibing Zhang
- Department of Medical Affairs, The General Hospital of Northern Theater Command, Shenyang, China
| | - Longfei Li
- Department of Hepatobiliary and Thyroid Surgery, General Hospital of Northern Theater Command, Shenyang, China
| | - Guangming Cheng
- Department of Hepatobiliary and Thyroid Surgery, General Hospital of Northern Theater Command, Shenyang, China
| | - Wei Zhang
- Department of Hepatobiliary and Thyroid Surgery, General Hospital of Northern Theater Command, Shenyang, China
| | - Yufu Tang
- Department of Hepatobiliary and Thyroid Surgery, General Hospital of Northern Theater Command, Shenyang, China
| | - Chunhui Wang
- Department of Hepatobiliary and Thyroid Surgery, General Hospital of Northern Theater Command, Shenyang, China
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The Positive and Negative Effects of Calcium Supplementation on Mortality in Septic ICU Patients Depend on Disease Severity: A Retrospective Study from the MIMIC-III. Crit Care Res Pract 2022; 2022:2520695. [PMID: 35782335 PMCID: PMC9242801 DOI: 10.1155/2022/2520695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 12/17/2021] [Accepted: 05/17/2022] [Indexed: 11/17/2022] Open
Abstract
Background. Calcium administration in septic patients with hypocalcemia is a controversial issue. The present study preliminarily investigated the effects of calcium supplementation on the length of hospitalization and mortality in septic ICU patients with different severities of hypocalcemia and disease. Method. A total of 5761 eligible septic patients, including 2689 who received calcium supplementation and 3072 who did not receive calcium supplementation, were extracted from the Medical Information Mart for Intensive Care III (MIMIC-III) database. The cofounding covariates between the calcium supplement and nonsupplement groups were balanced using the propensity score matching model. We compared the length of stay (LOS) in the ICU and hospital with 28-day and hospital mortality and stratified the analysis according to the sequential organ failure assessment (SOFA) score and ionized calcium (iCa) at the first ICU admission in the matched groups. Results. The results showed that iCa at the first ICU admission was associated with mortality in sepsis patients (HR: 0.421; 95% CI: 0.211∼0.837), but the lowest mortality rate was observed in patients with mild hypocalcemia. A total of 993 paired patients were included in the analysis after propensity score matching. Regardless of the SOFA score or presence of iCa, the LOS in the ICU was higher in the calcium supplement group than in the nonsupplement group. The survival analysis was stratified by the SOFA score and showed that calcium supplementation reduced mortality when the patient’s SOFA score was ≥8 (
), and it worsened the outcome when the patient’s SOFA score was ≤4 (
). It had no significant effect on patients with SOFA scores ranging from 5 to 7 (
). Conclusion. Our results showed that mild hypocalcemia may be protective in septic patients, and calcium supplementation may have positive and negative effects on mortality depending on disease severity. The SOFA score may be a valuable clinical index for decisions regarding calcium administration.
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12
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Lee CH, Chen JY, Kuo PC, Chen WT. Parathyroidectomy for dialysis patients in the era of calcimimetics: The surgeons' point of view. J Chin Med Assoc 2022; 85:279-285. [PMID: 35259131 DOI: 10.1097/jcma.0000000000000694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Calcimimetics is a new drug for lowering serum parathyroid hormone (PTH), calcium and phosphate in patients with hyperparathyroidism (HPT) on long-term dialysis. It became available on market in 2006. The impact of calcimimetics on the treatment by parathyroidectomy (PTx) was reviewed from the surgeons' point of view. Cure of renal HPT by calcimimetics is not feasible, but calcimimetics can improve preoperative cardiac ventricle ejection fractions by lowering serum PTH. Heart failure is not necessarily a contraindication for PTx. PTx should be done before irreversible organ damage occurs. Limb gangrenes is an ominous sign and should be prevented by frequent checkup for peripheral arterial circulation. The impact of renal osteodystrophy on the quality of life and as indirect cause of mortality deserves more attention in patients with renal HPT. Delayed referral to PTx leads to more complicated patients. A consensus between nephrologists and surgeons about propitious timing for PTx is necessary. Future prospect on the surgical treatment of renal HPT is proposed. Supplemental figure; http://links.lww.com/ASAIO/A782.
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Affiliation(s)
- Chen-Hsen Lee
- National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Divisions of General Surgery, Departments of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Jui-Yu Chen
- National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Divisions of General Surgery, Departments of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Po-Chung Kuo
- Divisions of General Surgery, Departments of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Wei-Ting Chen
- National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- National Yang Ming Chiao Tung University Hospital, I-Lan, Taiwan, ROC
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13
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Wijaya WS, Krisnawati I. Type I Brugada-Like Pattern with Arrhythmia in Severe Anemia. Int Med Case Rep J 2022; 15:75-80. [PMID: 35264887 PMCID: PMC8899100 DOI: 10.2147/imcrj.s353263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/22/2022] [Indexed: 11/25/2022] Open
Abstract
Introduction Brugada syndrome (BrS) has been described as an inherited cardiac disorder due to gene mutations, which contributes to sudden cardiac death, especially in Southeast Asians. Brugada phenocopy, which has the same pattern caused by etiologies such as metabolic disorder, is potentially reversible and avoids unnecessary implantable medical devices. Case Presentation We reported a rare case of Brugada phenocopy in a 60-years-old Indonesian male with severe anemia and a history of chronic urinary tract bleeding and hemorrhoid. Brugada phenocopy, widely known as BrS look-alike, has been linked to sodium, potassium, and calcium channel dysfunction. This condition is uncommon and has been related to metabolic conditions such as anemia. Iron deficiency anemia induces ischemia in the myocardium and degrades the calcium channels. During the transfusion, hypocalcemia precipitates temporary arrhythmia with right ventricular outflow tract origin, which reverts after the hypocalcemia has been treated. Conclusion Due to the possibility of altered ion channels and how rarely hypocalcemia induces arrhythmia, this makes understanding the pathogenesis of Brugada phenocopy essential. Though caution is necessary, early recognition can improve prognosis as Brugada phenocopy is potentially reversible.
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Affiliation(s)
- Wilson Saputra Wijaya
- Faculty of Medicine, Trisakti University, Jakarta, Indonesia
- Correspondence: Wilson Saputra Wijaya, Faculty of Medicine, Trisakti University, Jakarta, Indonesia, Tel +62 811 113 938, Email
| | - Ika Krisnawati
- Department of Cardiology, Tangerang City General Hospital, Tangerang City, Indonesia
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14
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Murthi M, Shaka H, El-Amir Z, Velagapudi S, Jamil A, Wani F, Atluri R, Kumar A, Kichloo A. Association of hypocalcemia with in-hospital mortality and complications in patients with acute pulmonary embolism: results from the 2017 Nationwide Inpatient Sample. BMC Pulm Med 2021; 21:410. [PMID: 34895211 PMCID: PMC8665606 DOI: 10.1186/s12890-021-01784-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 12/09/2021] [Indexed: 12/20/2022] Open
Abstract
Background Acute pulmonary embolism (PE) is a common cause for hospitalization associated with significant mortality and morbidity. Disorders of calcium metabolism are a frequently encountered medical problem. The effect of hypocalcemia is not well defined on the outcomes of patients with PE. We aimed to identify the prognostic value of hypocalcemia in hospitalized PE patients utilizing the 2017 Nationwide Inpatient Sample (NIS).
Methods In this retrospective study, we selected patients with a primary diagnosis of Acute PE using ICD 10 codes. They were further stratified based on the presence of hypocalcemia. We primarily aimed to compare in-hospital mortality for PE patients with and without hypocalcemia. We performed multivariate logistic regression analysis to adjust for potential confounders. We also used propensity‐matched cohort of patients to compare mortality. Results In the 2017 NIS, 187,989 patients had a principal diagnosis of acute PE. Among the above study group, 1565 (0.8%) had an additional diagnosis of hypocalcemia. 12.4% of PE patients with hypocalcemia died in the hospital in comparison to 2.95% without hypocalcemia. On multivariate regression analysis, PE and hypocalcemia patients had 4 times higher odds (aOR-4.03, 95% CI 2.78–5.84, p < 0.001) of in-hospital mortality compared to those with only PE. We observed a similarly high odds of mortality (aOR = 4.4) on 1:1 propensity-matched analysis. The incidence of acute kidney injury (aOR = 2.62, CI 1.95–3.52, p < 0.001), acute respiratory failure (a0R = 1.84, CI 1.42–2.38, p < 0.001), sepsis (aOR = 4.99, CI 3.08–8.11, p < 0.001) and arrhythmias (aOR = 2.63, CI 1.99–3.48, p < 0.001) were also higher for PE patients with hypocalcemia. Conclusion PE patients with hypocalcemia have higher in-hospital mortality than those without hypocalcemia. The in-hospital complications were also higher, along with longer length of stay.
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Affiliation(s)
- Mukunthan Murthi
- John H Stroger Hospital of Cook County, 1969 W Ogden Ave, Chicago, IL, 60612, USA.
| | - Hafeez Shaka
- John H Stroger Hospital of Cook County, 1969 W Ogden Ave, Chicago, IL, 60612, USA
| | - Zain El-Amir
- Department of Internal Medicine, Central Michigan University College of Medicine, Saginaw, MI, USA
| | - Sujitha Velagapudi
- John H Stroger Hospital of Cook County, 1969 W Ogden Ave, Chicago, IL, 60612, USA
| | - Abdul Jamil
- Department of Internal Medicine, Central Michigan University College of Medicine, Saginaw, MI, USA
| | - Farah Wani
- Department of Internal Medicine, Samaritan Medical Center, Watertown, NY, USA
| | - Ramtej Atluri
- John H Stroger Hospital of Cook County, 1969 W Ogden Ave, Chicago, IL, 60612, USA
| | - Akshay Kumar
- Department of Cardiothoracic Surgery, University of Pittsburgh Medical Centre, Pittsburgh, USA
| | - Asim Kichloo
- Department of Internal Medicine, Samaritan Medical Center, Watertown, NY, USA
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15
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The Effect of Calcium Ions on Mechanosensation and Neuronal Activity in Proprioceptive Neurons. NEUROSCI 2021. [DOI: 10.3390/neurosci2040026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Proprioception of all animals is important in being able to have coordinated locomotion. Stretch activated ion channels (SACs) transduce the mechanical force into electrical signals in the proprioceptive sensory endings. The types of SACs vary among sensory neurons in animals as defined by pharmacological, physiological and molecular identification. The chordotonal organs within insects and crustaceans offer a unique ability to investigate proprioceptive function. The effects of the extracellular environment on neuronal activity, as well as the function of associated SACs are easily accessible and viable in minimal saline for ease in experimentation. The effect of extracellular [Ca2+] on membrane properties which affect voltage-sensitivity of ion channels, threshold of action potentials and SACs can be readily addressed in the chordotonal organ in crab limbs. It is of interest to understand how low extracellular [Ca2+] enhances neural activity considering the SACs in the sensory endings could possibly be Ca2+ channels and that all neural activity is blocked with Mn2+. It is suggested that axonal excitability might be affected independent from the SAC activity due to potential presence of calcium activated potassium channels (K(Ca)) and the ability of Ca2+ to block voltage gated Na+ channels in the axons. Separating the role of Ca2+ on the function of the SACs and the excitability of the axons in the nerves associated with chordotonal organs is addressed. These experiments may aid in understanding the mechanisms of neuronal hyperexcitability during hypocalcemia within mammals.
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16
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Midha NK, Garg MK, Kumar D, Meena DS, Bohra GK. Rapidly Developing Cataract in Young Adult Patients: Always a Matter for Further Evaluation. Cureus 2021; 13:e17312. [PMID: 34557362 PMCID: PMC8449744 DOI: 10.7759/cureus.17312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/19/2021] [Indexed: 11/25/2022] Open
Abstract
A cataract in the young age group is uncommon and it is usually secondary to eye trauma, intraocular inflammation, uncontrolled diabetes mellitus, and hypoparathyroidism. We report a case of a rapidly developing cataract over two years in a 21-year-old female with extensive intracranial calcification due to primary hypoparathyroidism. Chronic hypocalcemia due to underlying hypoparathyroidism results in cataract. Extensive bilateral intracranial calcification involving basal ganglia and white matter has been rarely reported in the literature. It occurs due to the chronic deposition of calcium-phosphorus complexes. We would like to highlight that cataract in young patients is always a matter for further evaluation. Clinicians and ophthalmologists should be aware of hypoparathyroidism as a cause of bilateral cataracts. Early diagnosis of primary hypoparathyroidism can save patients from many complications.
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Affiliation(s)
- Naresh K Midha
- Medicine, All India Institute of Medical Sciences, Jodhpur, IND
| | | | - Deepak Kumar
- Medicine, All India Institute of Medical Sciences, Jodhpur, IND
| | | | - Gopal K Bohra
- Medicine, All India Institute of Medical Sciences, Jodhpur, IND
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17
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Timofte D, Tanasescu MD, Balcangiu-Stroescu AE, Balan DG, Tulin A, Stiru O, Vacaroiu IA, Mihai A, Constantin PC, Cosconel CI, Enyedi M, Miricescu D, Ionescu D. Dyselectrolytemia-management and implications in hemodialysis (Review). Exp Ther Med 2021; 21:102. [PMID: 33363613 PMCID: PMC7725007 DOI: 10.3892/etm.2020.9534] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 08/11/2020] [Indexed: 12/27/2022] Open
Abstract
Hemodialysis is a method for the renal replacement therapy followed by series of acute and chronic complications. Dyselectrolytemia appears in patients undergoing dialysis through mechanisms related to the chronic kidney disease and/or to the dialysis therapy and for this group of patients it is associated with an increase of morbidity and mortality. The dialysate has a standard composition, which can be modified according to the patient's characteristics. During hemodialysis patients are exposed to 18,000-36.000 litres of water/year, and the water purity along with the biochemical composition of the dialysate are essential. The individualization of the dialysis prescription is recommended for each patient and it has an important role in preventing the occurrence of dyselectrolyemia. The individualization of the treatment prescription according to the blood constants of each patient is the prerogative of the nephrologist and the association of the electrolyte imbalances with the patients cardiovascular mortality explains the importance of paying special attention to them.
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Affiliation(s)
- Delia Timofte
- Department of Dialysis, Emergency University Hospital, 050098 Bucharest, Romania
| | - Maria-Daniela Tanasescu
- Department of Medical Semiology, Discipline of Internal Medicine I and Nephrology, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Nephrology, Emergency University Hospital, 050098 Bucharest, Romania
| | - Andra-Elena Balcangiu-Stroescu
- Department of Dialysis, Emergency University Hospital, 050098 Bucharest, Romania
- Discipline of Physiology, Faculty of Dental Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Daniela Gabriela Balan
- Discipline of Physiology, Faculty of Dental Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Adrian Tulin
- Department of Anatomy, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of General Surgery, ‘Prof. Dr. Agrippa Ionescu’ Clinical Emergency Hospital, 011356 Bucharest, Romania
| | - Ovidiu Stiru
- Department of Cardiovascular Surgery, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Cardiovascular Surgery, ‘Prof. Dr. C.C. Iliescu’ Emergency Institute for Cardiovascular Diseases, 022322 Bucharest, Romania
| | - Ileana Adela Vacaroiu
- Department of Nephrology and Dialysis, St. Ioan Emergency Clinical Hospital, 042122 Bucharest, Romania
- Department of Nephrology, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Andrada Mihai
- Discipline of Diabetes, ‘Prof. N. Paulescu’ National Institute of Diabetes, Nutrition and Metabolic Diseases, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Second Department of Diabetes, ‘Prof. N. Paulescu’ National Institute of Diabetes, Nutrition and Metabolic Diseases, 020474 Bucharest, Romania
| | - Popa Cristian Constantin
- Department of Surgery, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Surgery, Emergency University Hospital, 050098 Bucharest, Romania
| | - Cristina-Ileana Cosconel
- Discipline of Foreign Languages, Faculty of Dental Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Mihaly Enyedi
- Department of Anatomy, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Radiology, ‘Victor Babes’ Private Medical Clinic, 030303 Bucharest, Romania
| | - Daniela Miricescu
- Discipline of Biochemistry, Faculty of Dental Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Dorin Ionescu
- Department of Medical Semiology, Discipline of Internal Medicine I and Nephrology, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Nephrology, Emergency University Hospital, 050098 Bucharest, Romania
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Grautoff S, Fessele K, Fandler M, Gotthardt P. Disabilities und Electrolytes in der EKG-Diagnostik. Notf Rett Med 2020. [DOI: 10.1007/s10049-020-00730-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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19
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Pepe J, Colangelo L, Biamonte F, Sonato C, Danese VC, Cecchetti V, Occhiuto M, Piazzolla V, De Martino V, Ferrone F, Minisola S, Cipriani C. Diagnosis and management of hypocalcemia. Endocrine 2020; 69:485-495. [PMID: 32367335 DOI: 10.1007/s12020-020-02324-2] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 04/18/2020] [Indexed: 12/12/2022]
Abstract
The aim of this clinical narrative review is to summarize and critically appraise the literature on the differential diagnosis of hypocalcemia and to provide its correct management. Calcium is essential for muscle contraction and neurotransmitter release, but clinical manifestations of hypocalcaemia (serum calcium level <8 mg/dl; 2.12 mmol/L) may involve almost any organ and system and may range from asymptomatic to life-threating conditions. Disorders causing hypocalcemia can be divided into parathyroid hormone (PTH) and non-PTH mediated. The most frequent cause of hypocalcemia is postsurgical hypoparathyroidism, while a more comprehensive search for other causes is needed for appropriate treatment in the non PTH-mediated forms. Intravenous calcium infusion is essential to raise calcium levels and resolve or minimize symptoms in the setting of acute hypocalcemia. Oral calcium and/or vitamin D supplementation is the most frequently used as treatment of chronic hypocalcemia. In hypoparathyroidism, providing the missing hormone with the use of the recombinant human (rh) PTH(1-84) has been recently approved both by the Food and Drug Administration (FDA) and the European Medicines Agency (EMA). This new therapy has the advantage of being effective for correcting serum calcium levels and significantly reducing the daily requirements of calcium and active vitamin D supplements. However, due to the high cost, a strict selection of candidates to this therapy is necessary. More challenging is the long-term hypocalcemia treatment, due to its associated complications. The development of long-acting recombinant human PTH will probably modify the management of chronic hypoparathyroidism in the future.
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Affiliation(s)
- Jessica Pepe
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Luciano Colangelo
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy.
| | - Federica Biamonte
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Chiara Sonato
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Vittoria Carmela Danese
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Veronica Cecchetti
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Marco Occhiuto
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Valentina Piazzolla
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Viviana De Martino
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Federica Ferrone
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Salvatore Minisola
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Cristiana Cipriani
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
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