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09 September 2014 : Original article  

Reoperations for Persistent or Recurrent Primary Hyperparathyroidism: Results of a Retrospective Cohort Study at a Tertiary Referral Center

Ireneusz NawrotADEFG, Witold ChudzińskiABDF, Tomasz CiąćkaBF, Marcin BarczyńskiACDE, Jacek SzmidtAD

DOI: 10.12659/MSM.890983

Med Sci Monit 2014; 20:1604-1612

Abstract

BACKGROUND: Parathyroid reoperations are challenging and achieving a cure requires multidisciplinary treatment team cooperation. The aims of this study were to summarize our experience in revision surgery for persistent (pHPT) or recurrent primary hyperparathyroidism (rHPT) and to explore factors underlying failure to cure at initial surgery.

MATERIAL AND METHODS: This was a retrospective cohort study of patients who underwent reoperations for pHPT or rHPT at a tertiary referral center. The database of parathyroid surgery was searched for eligible patients (treated in the years 2000–2012). The primary outcome was the cure rate. All the patients were followed-up for at least 12 months postoperatively. Factors underlying failure to cure at initial surgery were reviewed based on hospital records.

RESULTS: The study group comprised 88 patients (69 women, 19 men) operated on for persistent (n=57) or recurrent disease (n=31), who underwent 98 reoperations, including 26 (2.4%) patients first operated on at our institution, and 72 (81.8%) patients operated on elsewhere, but referred for revision surgery. A long-term cure was achieved in 83/88 patients (94.3%). The mean post-reoperation follow-up was 91.7 (12–176) months. Missed hyperfunctioning parathyroid gland was found on reoperation in eutopic position in 49 (55.5%) patients, and in ectopic position in 39 (44.3%) patients, including 20 (22.7%) cases of cervical ectopy and 19 (21.6%) cases of mediastinal ectopy.

CONCLUSIONS: Multidisciplinary treatment team cooperation at a tertiary referral center, consisting of an accurate preoperative localization, expertise in parathyroid re-explorations, and correct use of intraoperative adjuncts, contribute to the high success rate of parathyroid reoperations.

Keywords: Adolescent, Aged, 80 and over, Hyperparathyroidism, Primary - surgery, Preoperative Care, Recurrence, Reoperation, Tertiary Care Centers, young adult

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750