Postoperative hypocalcemia: analysis of factors influencing early hypocalcemia development following thyroid surgery.


Journal

BMC surgery
ISSN: 1471-2482
Titre abrégé: BMC Surg
Pays: England
ID NLM: 100968567

Informations de publication

Date de publication:
24 Apr 2019
Historique:
received: 14 11 2018
accepted: 30 01 2019
entrez: 11 5 2019
pubmed: 11 5 2019
medline: 3 7 2019
Statut: epublish

Résumé

Early Hypocalcemia is the most frequent complication after thyroid surgery. Several studies have tried to identify factors (patient caracteristics or surgical technique variations) affecting hypocalcemia following thyroid surgery. This studiy evaluates the role of several factors in postoperative hypocalcemia development. A retrospective study conducted on 2108 patients that underwent thyroid surgery in a single center (1669 women and 439 men). Postoperative early hypocalcemia was defined as serum calcium levels lower than 8,0 mg/dl measured 24 h after surgery. Following factors were evaluated in the study: sex, age, glandular hyperfunction, preoperative diagnosis, preoperative serum calcium levels, preoperative serum PTH levels, type of surgery performed (total thyroidectomy vs. lobectomy); minimally invasive video assisted thyroidectomy (MIVAT); number of parathyroid preserved in situ, postoperative serum calcium levels, changes in perioperative calcium levels (difference between preoperative values ​​and postoperative calcium levels), presence of carcinoma in the surgical specimen, presence of thyroiditis based on histopatology reports. Among evaluated factors only gender and surgical procedure revealed to be significantly correlated to early hypocalcemia development. In fact female patients experienced postoperative hypocalcemia in 42% (701/1669) of cases, which was signicantly higher than the 21.4% (94/439) identified in men. We also noticed a greater hypocalcemia incidence in patient undergoing total thyroidectomy (38.8%) than in patient undergoing lobectomy group (13.8%). Early hypocalcemia development didn't appear to be related to preoperative serum calcium levels but it showed a statistically significant correlation with perioperative serum calcium level drop. This findings suggest that sex (female gender is a strong risk factor),surgical procedure and perioperative changes in serum calcium are the only factors (among all variables examined) that influence early hypocalcemia development.

Sections du résumé

BACKGROUND BACKGROUND
Early Hypocalcemia is the most frequent complication after thyroid surgery. Several studies have tried to identify factors (patient caracteristics or surgical technique variations) affecting hypocalcemia following thyroid surgery. This studiy evaluates the role of several factors in postoperative hypocalcemia development.
METHODS METHODS
A retrospective study conducted on 2108 patients that underwent thyroid surgery in a single center (1669 women and 439 men). Postoperative early hypocalcemia was defined as serum calcium levels lower than 8,0 mg/dl measured 24 h after surgery. Following factors were evaluated in the study: sex, age, glandular hyperfunction, preoperative diagnosis, preoperative serum calcium levels, preoperative serum PTH levels, type of surgery performed (total thyroidectomy vs. lobectomy); minimally invasive video assisted thyroidectomy (MIVAT); number of parathyroid preserved in situ, postoperative serum calcium levels, changes in perioperative calcium levels (difference between preoperative values ​​and postoperative calcium levels), presence of carcinoma in the surgical specimen, presence of thyroiditis based on histopatology reports.
RESULTS RESULTS
Among evaluated factors only gender and surgical procedure revealed to be significantly correlated to early hypocalcemia development. In fact female patients experienced postoperative hypocalcemia in 42% (701/1669) of cases, which was signicantly higher than the 21.4% (94/439) identified in men. We also noticed a greater hypocalcemia incidence in patient undergoing total thyroidectomy (38.8%) than in patient undergoing lobectomy group (13.8%). Early hypocalcemia development didn't appear to be related to preoperative serum calcium levels but it showed a statistically significant correlation with perioperative serum calcium level drop.
CONCLUSION CONCLUSIONS
This findings suggest that sex (female gender is a strong risk factor),surgical procedure and perioperative changes in serum calcium are the only factors (among all variables examined) that influence early hypocalcemia development.

Identifiants

pubmed: 31074401
doi: 10.1186/s12893-019-0483-y
pii: 10.1186/s12893-019-0483-y
pmc: PMC7402573
doi:

Substances chimiques

Calcium SY7Q814VUP

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

25

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Auteurs

Paolo Del Rio (P)

Department of Medicine and Surgery, General Surgery Unit, University Hospital of Parma, Parma, Italy. paolo.delrio@unipr.it.

Matteo Rossini (M)

Department of Medicine and Surgery, General Surgery Unit, University Hospital of Parma, Parma, Italy.

Chiara Montana Montana (CM)

Department of Medicine and Surgery, General Surgery Unit, University Hospital of Parma, Parma, Italy.

Lorenzo Viani (L)

Department of Medicine and Surgery, General Surgery Unit, University Hospital of Parma, Parma, Italy.

Giuseppe Pedrazzi (G)

Department of Medicine and Surgery, University of Parma, Parma, Italy.

Tommaso Loderer (T)

Department of Medicine and Surgery, General Surgery Unit, University Hospital of Parma, Parma, Italy.

Federico Cozzani (F)

Department of Medicine and Surgery, General Surgery Unit, University Hospital of Parma, Parma, Italy.

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Classifications MeSH