Abstract
With the expansion of minimally invasive parathyroid surgery for primary hyperparathyroidism, new approaches and techniques evolved, creating new surgical algorithms with consequences for indication for surgery and patient selection. The presented methods of selective, minimally invasive parathyroidectomy represent this development of diversification. Minimally invasive video-assisted parathyroidectomy (MIVAP) has advanced to bilateral exploration, avoiding preoperative localization other than ultrasonography. Furthermore, a new technique of minimally invasive open parathyroidectomy with the option of videoscopic magnification under local anesthesia (MIPLA) for localizable adenomas is introduced. A series of 103 patients were operated on for primary hyperparathyroidism using minimally invasive procedures: 87 with MIVAP and 16 with MIPLA. With MIVAP the conversion rate to cervicotomy for multiglandular disease or technical difficulties was 16% (n = 14). With MIPLA, conversion to general intubation anesthesia or additional sedation was necessary in four patients. A transient laryngeal nerve palsy was observed in one patient with MIVAP. Bilateral exploration was carried out during 29 MIVAPs and 2 MIPLAs. The duration of surgery differed, with a median 63 minutes for MIVAP and 39 minutes for MIPLA. Surgery under local anesthesia was completed in 4 patients with MIVAP and in 14 with MIPLA. All patients were cured of primary hyperparathyroidism. Preliminary results of diversified procedures demonstrate effects regarding omission of preoperative diagnostics, overall cost reduction, and increasing patient selection for selective parathyroid surgery because of primary hyperparathyroidism.
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