Abstract
Purpose
Preoperative localization procedures and the use of intraoperative parathyroidism (iOPTH) have led to a shift of paradigm from bilateral neck exploration to focused parathyroidectomy in primary hyperparathyroidism (pHPT). However, only a small number of randomized trials from specialized centers have been published. The main purpose of the study was to analyze the impact of localization procedures and iOPTH on short-term outcome after pHPT surgery in a multi-institutional setting.
Methods
An audit for quality assurance in pHPT surgery was performed in 23 Scandinavian departments in 2004–2008. Data were gathered prospectively in a database. Two thousand seven hundred and eight patients were registered and 78% were females. The median serum calcium level was 2.79 mmol/l.
Results
Localization procedures were performed in 1,831 patients (68%), (sestamibi in 54% and ultrasound in 41%) and iOPTH in 792 operations (29%). Bilateral exploration was performed in 61%, focused parathyroidectomy in 17%, and unilateral exploration in 22%. Histology showed parathyroid adenoma in 82%, with the median weight of 0.6 g. The alleviation of hypercalcemia at the first follow-up was 93% (94% for primary operation). In the multivariate logistic regression analysis, iOPTH increased cure rate (OR 1.70, 95% CI 1.14–2.53, p = 0.0092). The risk for postoperative medically treated hypocalcemia decreased with the use of localization procedures (OR 0.56, 95% CI 0.43–0.78, p = 0.0004) and iOPTH (OR 0.56, 95% CI 0.39–0.90, p = 0.0015).
Conclusions
Localization procedures and iOPTH decreased the risk for hypocalcemia after pHPT surgery. Additionally, iOPTH influenced short-term cure rate favorably.
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Acknowledgement
This study was supported by grants from:
The European Union (Interreg. IIIA)
The Swedish Board of Health and Social Welfare
The Swedish Association of Local Authorities and Regions
The following departments participated in this study:
Department of Surgery, Lund University Hospital
Department of Breast and Endocrine Surgery, Copenhagen University Hospital Rigshospitalet
Department of Surgery, Central Hospital, Kristianstad
Department of Surgery, Helsingborg Hospital
Department of Surgery, University Hospital of Uppsala
Center for Metabolism and Endocrinology, Karolinska University Hospital-Huddinge
Department of Surgery, Central Hospital, Halmstad
Department of Surgery, Falu Hospital
Department of Surgery, Växjö Central Hospital
Department of Surgery, Västerås Central Hospital
Department of Surgery, Södersjukhuset
Department of Surgery, Karolinska University Hospital
Department of Surgery, Sunderby Hospital
Department of Surgery and Transplantation, Sahlgrenska University Hospital
Department of Surgery, Nyköping Hospital
Department of Surgery, University Hospital of Umeå
Center for Endocrine Neck Surgery, ENT Department F, Odense University Hospital
Department of Surgery, Norra Älvsborgs Länssjukhus
Department of Surgery, Jönköping Hospital Ryhov
Department of Surgery, Åhus University Hospital
Department of Surgery, Karlstad Central Hospital
Department of Surgery, Sundsvall Hospital
Department of Surgery, Kungälv Hospital
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All authors are members of the Steering Committee of the Scandinavian Quality Register for Thyroid and Parathyroid Surgery
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Bergenfelz, A.O.J., Jansson, S.K.G., Wallin, G.K. et al. Impact of modern techniques on short-term outcome after surgery for primary hyperparathyroidism: a multicenter study comprising 2,708 patients. Langenbecks Arch Surg 394, 851–860 (2009). https://doi.org/10.1007/s00423-009-0540-6
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DOI: https://doi.org/10.1007/s00423-009-0540-6