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. 2015 Nov;97(8):603-7.
doi: 10.1308/rcsann.2015.0048.

Contemporary surgical treatment of primary hyperparathyroidism without intraoperative parathyroid hormone measurement

O A Mownah  1 , G Pafitanis  1 , W M Drake  1 , J N Crinnion  1
Affiliations

Contemporary surgical treatment of primary hyperparathyroidism without intraoperative parathyroid hormone measurement

O A Mownah et al. Ann R Coll Surg Engl. 2015 Nov.

Abstract

Introduction: Primary hyperparathyroidism (pHPT) is usually the result of a single adenoma that can often be accurately located preoperatively and excised by a focused operation. Intraoperative parathyroid hormone (IOPTH) measurement is used occasionally to detect additional abnormal glands. However, it remains controversial as to whether IOPTH monitoring is necessary. This study presents the results of a large series of focused parathyroidectomy without IOPTH measurement.

Methods: Data from 2003 to 2014 were collected on 180 consecutive patients who underwent surgical treatment for pHPT by a single surgeon. Preoperative ultrasonography and sestamibi imaging was performed routinely, with computed tomography (CT) and/or selective venous sampling in selected cases. The preferred procedure for single gland disease was a focused lateral approach guided by on-table surgeon performed ultrasonography. Frozen section was used selectively and surgical cure was defined as normocalcaemia at the six-month follow-up appointment.

Results: Focused surgery was undertaken in 146 patients (81%) and 97% of these cases had concordant results with two imaging modalities. In all cases, an abnormal gland was discovered at the predetermined site. Of the 146 patients, 132 underwent a focused lateral approach (11 of which were converted to a collar incision), 10 required a collar incision and 4 underwent a mini-sternotomy. At 6 months following surgery, 142 patients were normocalcaemic (97% primary cure rate). Three of the four treatment failures had subsequent surgery and are now biochemically cured. There were no complications or cases of persistent hypocalcaemia.

Conclusions: This study provides further evidence that in the presence of concordant preoperative imaging, IOPTH measurement can be safely omitted when performing focused parathyroidectomy for most cases of pHPT.

Keywords: Intraoperative monitoring; Parathyroid hormone; Parathyroidectomy.

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Figures

Figure 1
Figure 1
On-table ultrasonography performed by the operating surgeon to locate the adenoma and mark the skin incision site for a focused lateral approach
Figure 2
Figure 2
Summary of the results
See this image and copyright information in PMC

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