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Sępek M, Marciniak D, Głód M, Kaliszewski K, Rudnicki J, Wojtczak B. Risk Factors for Calcium-Phosphate Disorders after Thyroid Surgery. Biomedicines 2023; 11:2299. [PMID: 37626794 PMCID: PMC10452658 DOI: 10.3390/biomedicines11082299] [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: 06/23/2023] [Revised: 08/04/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
INTRODUCTION Iatrogenic hypoparathyroidism following thyroidectomy is one of the most common complications significantly reducing patients' quality of life. OBJECTIVES This study aimed to analyze the risk factors for calcium-phosphate disorders following thyroidectomy. PATIENTS AND METHODS The study group consisted of 211 patients who underwent thyroidectomy for different conditions in 2018-2020. Demographic, clinical and surgical risk factors were analyzed against hypoparathyroidism and hypocalcemia. RESULTS Hypoparathyroidism occurred in 15.63% of patients, and hypocalcemia occurred in 45% of those operated on. There was statistical significance between hypoparathyroidism and the extent of thyroid surgery: thyroidectomy vs. lobectomy (p = 0.02, OR = 4.5) and surgeon experience (p = 0.016, OR = 6.9). Low preoperative PTH levels were associated with a higher incidence of hypoparathyroidism (p = 0.055, OR = 0.9). There was a statistically significant correlation between the occurrence of hypocalcemia and preoperative vitamin D deficiency (p = 0.04, OR = 3.5). Low calcium levels before surgery were associated with a higher incidence of hypocalcemia (p = 0.051, OR = 0.5). Meta-analyses of selected risk factors confirmed that the most significant factor in the incidence of hypocalcemia was a decrease in PTH levels (p < 0.001). CONCLUSIONS The extent of thyroid surgery and the experience of the surgeon are the most significant risk factors for hypoparathyroidism. Hypocalcemia is much more common than hypoparathyroidism. Among the risk factors for hypocalcemia, in addition to the decrease in parathormone levels due to iatrogenic parathyroid damage, we should mention vitamin D deficiency in the preoperative period.
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Affiliation(s)
- Monika Sępek
- Department of General, Minimally Invasive and Endocrine Surgery, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; (M.S.); (K.K.); (J.R.)
| | - Dominik Marciniak
- Department of Dosage Form Technology, Wroclaw Medical University, Borowska Street 211 A, 50-556 Wroclaw, Poland;
| | | | - Krzysztof Kaliszewski
- Department of General, Minimally Invasive and Endocrine Surgery, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; (M.S.); (K.K.); (J.R.)
| | - Jerzy Rudnicki
- Department of General, Minimally Invasive and Endocrine Surgery, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; (M.S.); (K.K.); (J.R.)
| | - Beata Wojtczak
- Department of General, Minimally Invasive and Endocrine Surgery, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; (M.S.); (K.K.); (J.R.)
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Papavramidis TS, Chorti A, Tzikos G, Anagnostis P, Pantelidis P, Pliakos I, Panidis S, Papaioannou M, Bakkar S, Unal E, Michalopoulos A. The effect of intraoperative autofluorescence monitoring on unintentional parathyroid gland excision rates and postoperative PTH concentrations-a single-blind randomized-controlled trial. Endocrine 2021; 72:546-552. [PMID: 33432503 DOI: 10.1007/s12020-020-02599-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 12/23/2020] [Indexed: 02/08/2023]
Abstract
PURPOSE Intraoperative imaging of parathyroid glands (PGs) has been developed in order to reduce the risk of unintentional parathyroidectomy during total thyroidectomy. This novel modality is based on their intrinsic characteristic of autofluorescence (AF) after near-infrared light exposure. The aim of this study was to assess the effect of this method on the risk of unintentional PG excision (total or partial) during total thyroidectomy. METHODS This was a single-blind, randomized-controlled trial including adult patients who underwent scheduled total thyroidectomy between December 2019 and March 2020. These patients were randomly allocated to two groups: one in which near-infrared autofluorescence imaging (NIRAF) was applied (NIR group) and one without NIRAF (NONIR group). Hormonal and biochemical assessment was performed pre- and 24-h postoperatively. AF findings and the number of PGs autotransplanted were recorded. RESULTS One-hundred and eighty patients were eligible. Unintentional (total or partial) PG excision rates during total thyroidectomy in the NONIR (n = 90) and NIR (n = 90) groups were 28.9% [95% confidence interval (CI) 19.8-39.4%] and 14.4% (95% CI 7.7-22.1%), respectively (p = 0.02). Furthermore, NIR reduced the risk of parathyroid tissue presence in the specimen sent for pathology (relative risk 0.51, 95% CI 0.28-0.92; p = 0.02). However, the number of PGs identified by NIR could not predict the risk of postoperative hypoparthyroidism. CONCLUSIONS NIRAF imaging during total thyroidectomy led to a significant reduction in PG excision rates. However, this modality did not result in the reduction of postoperative hypoparathyroidism or hypocalcemia risk.
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Affiliation(s)
- Theodosios S Papavramidis
- 1st Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Department of Minimal Invasive Endocrine Surgery, Interbalkan Medical Center, Thessaloniki, Greece
| | - Angeliki Chorti
- 1st Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - George Tzikos
- 1st Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Panagiotis Anagnostis
- 1st Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
| | - Pantelis Pantelidis
- 1st Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ioannis Pliakos
- 1st Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Department of Minimal Invasive Endocrine Surgery, Interbalkan Medical Center, Thessaloniki, Greece
| | - Stavros Panidis
- 1st Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Department of Minimal Invasive Endocrine Surgery, Interbalkan Medical Center, Thessaloniki, Greece
| | - Maria Papaioannou
- Laboratory of Biological Chemistry, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Sohail Bakkar
- Faculty of Medicine, Department of Surgery, Hashemite University, Zarqa, Jordan
| | - Ethem Unal
- Department of General Surgery, Umraniye Education and Research Hospital, Health Sciences University-Medical Faculty, Istanbul, Turkey
| | - Antonios Michalopoulos
- 1st Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Vaitsi KD, Anagnostis P, Veneti S, Papavramidis TS, Goulis DG. Preoperative Vitamin D Deficiency is a Risk Factor for Postthyroidectomy Hypoparathyroidism: A Systematic Review and Meta-Analysis of Observational Studies. J Clin Endocrinol Metab 2021; 106:1209-1224. [PMID: 33484571 DOI: 10.1210/clinem/dgab039] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Indexed: 11/19/2022]
Abstract
CONTEXT Whether preoperative vitamin D deficiency (VDD) contributes to postoperative hypoparathyroidism (hypoPT) risk is unknown. OBJECTIVE This work aimed to meta-analyze the best available evidence regarding the association between preoperative vitamin D status and hypoPT risk. METHODS A comprehensive literature search was conducted in PubMed, CENTRAL, and Scopus databases, up to October 31, 2020. Study selection included patients undergoing thyroidectomy with preoperative vitamin D status and postoperative hypoPT data. Two researchers independently extracted data from eligible studies. Data were expressed as risk ratio (RR) with 95% CI. The I2 index was employed for heterogeneity. RESULTS Thirty-nine studies were included in the quantitative analysis (61 915 cases with transient and 5712 with permanent hypoPT). Patients with VDD demonstrated a higher risk for transient hypoPT compared with those with preoperative vitamin D sufficiency (RR 1.92, 95% CI, 1.50-2.45, I2 = 85%). These results remained significant for patients with preoperative 25-hydroxyvitamin D concentrations less than or equal to 20 ng/mL (mild VDD; RR 1.46, 95% CI, 1.10-1.94, I2 = 88%) and less than or equal to 10 ng/mL (severe VDD; RR 1.98, 95% CI 1.42-2.76, I2 = 85%). The risk of permanent hypoPT was increased only in cases with severe VDD (RR 2.45, 95% CI, 1.30-4.63, I2 = 45%). No difference was evident in subgroup analysis according to study design or quality. CONCLUSION Patients with preoperative VDD are at increased risk of transient hypoPT following thyroidectomy. The risk for permanent hypoPT is increased only for those with severe VDD.
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Affiliation(s)
- Konstantina D Vaitsi
- Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Department of Endocrinology, Police Medical Center of Thessaloniki, Thessaloniki, Greece
| | - Panagiotis Anagnostis
- Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Department of Endocrinology, Police Medical Center of Thessaloniki, Thessaloniki, Greece
| | - Stavroula Veneti
- 1st Propedeutic Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA Hospital, Thessaloniki, Greece
| | - Theodosios S Papavramidis
- 1st Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Dimitrios G Goulis
- Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Papavramidis TS, Anagnostis P, Chorti A, Pliakos I, Panidis S, Koutsoumparis D, Michalopoulos A. Do Near-Infrared Intra-Operative Findings Obtained Using Indocyanine Green Correlate with Post-Thyroidectomy Parathyroid Function? the Icgpredict Study. Endocr Pract 2020; 26:967-973. [PMID: 33471701 DOI: 10.4158/ep-2020-0119] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 04/18/2020] [Indexed: 12/29/2022]
Abstract
OBJECTIVE Postoperative hypoparathyroidism (hypoPT) still remains a significant complication after thyroidectomy. Intra-operative imaging modalities, such as near-infrared fluorescence using indocyanine green (ICG), may assist in identifying and preserving the parathyroid glands (PGs). The purpose of this study was to test the association between the intra-operative ICG staining scoring system and 24-hour postoperative parathyroid hormone (PTH) levels, as well as its capability for intra-operative PG identification. METHODS This was a prospective study, recruiting patients scheduled for total thyroidectomy by the same surgical team, from December 2018 to April 2019. Intra-operative angiography was performed after infusion of ICG solution (5 mg). Two minutes later, images were acquired using the near-infrared system. RESULTS Sixty patients fulfilled the eligibility criteria. The percentage of temporary postoperative hypoPT (defined as PTH <14 pg/mL) was 11.66%. No association between intra-operative ICG staining score (expressed as the number of PGs scoring <2 per patient) and 24-hour postoperative PTH (r = 0.011; P = .933) or serum calcium concentrations (r = 0.127; P = .335) was observed. There was also no correlation between the location of PGs scoring ≤2 and postoperative PTH (P = .257) or serum calcium levels (P = .950). Moreover, with regard to secondary endpoint, ICG correctly identified PGs in 98.3% of cases. ICG score was not affected by age, gender, duration of operation, or thyroid gland pathology. No allergic reactions attributed to ICG administration were observed. CONCLUSION The intra-operative ICG staining scoring system did not predict 24-hour postoperative PTH and serum calcium levels. However, this modality may assist in intra-operative PG identification during a total thyroidectomy.
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Affiliation(s)
- Theodosios S Papavramidis
- First Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece; Department of Minimal Invasive Endocrine Surgery, Interbalkan Medical Center, Thessaloniki, Greece
| | - Panagiotis Anagnostis
- Unit of Reproductive Endocrinology, First Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece..
| | - Angeliki Chorti
- First Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ioannis Pliakos
- First Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Stavros Panidis
- First Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece; Department of Minimal Invasive Endocrine Surgery, Interbalkan Medical Center, Thessaloniki, Greece
| | - Dimitris Koutsoumparis
- Department of Minimal Invasive Endocrine Surgery, Interbalkan Medical Center, Thessaloniki, Greece
| | - Antonios Michalopoulos
- First Propedeutic Department of Surgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Razavi CR, Tanavde V, Shaear M, Richmon JD, Russell JO. Simulations and simulators in head and neck endocrine surgery. ACTA ACUST UNITED AC 2020; 5. [PMID: 32395699 DOI: 10.21037/aot.2020.03.03] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Simulations and simulators have become an increasingly important tool in trainee education across many surgical disciplines, particularly for robotic and minimally invasive procedures. Thyroidectomy and parathyroidectomy are common procedures performed across multiple surgical disciplines, however, there is limited literature regarding training models/simulators for these operations. This is despite the advent and growing popularity of remote-access thyroidectomy techniques, where simulators may provide significant value in trainee education and safe implementation. Here we review the literature regarding available simulations/simulators in head and neck endocrine surgery for both conventional transcervical approaches and newer remote-access thyroidectomy techniques.
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Affiliation(s)
- Christopher R Razavi
- Division of Head & Neck Endocrine Surgery, Department of Otolaryngology, Head & Neck Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Ved Tanavde
- Division of Head & Neck Endocrine Surgery, Department of Otolaryngology, Head & Neck Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Mohammad Shaear
- Division of Head & Neck Endocrine Surgery, Department of Otolaryngology, Head & Neck Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Jeremy D Richmon
- Department of Otolaryngology, Head and Neck Surgery, Massachusetts Eye and Ear, Boston, MA, USA
| | - Jonathon O Russell
- Division of Head & Neck Endocrine Surgery, Department of Otolaryngology, Head & Neck Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
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