Journal Article
Systematic Review
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Effect of parathyroidectomy and cinacalcet on quality of life in patients with end-stage renal disease-related hyperparathyroidism: a systematic review.

BACKGROUND: Patients with end-stage renal disease (ESRD) have a decreased quality of life (QoL), which is attributable in part to ESRD-related hyperparathyroidism (HPT). Both cinacalcet and parathyroidectomy (PTx) are treatments for advanced HPT, but their effects on QoL are unclear. We performed a systematic review to evaluate the impact of cinacalcet and PTx on QoL.

METHODS: A systematic literature search was performed using PubMed and EMBASE databases to identify relevant articles. The search was based on the following keywords: 'parathyroidectomy' or 'cinacalcet', 'secondary hyperparathyroidism' or 'renal hyperparathyroidism' combined with 'quality of life' or 'SF-36' or 'symptomatology'. Only studies reporting on QoL at baseline and during follow-up were included. QoL scores were extracted from the selected manuscripts and weighted means were calculated. Due to a lack of available data on QoL improvement in patients using cinacalcet, a meta-analysis could not be performed.

RESULTS: In all, eight articles reached our inclusion criteria. Of this, five articles reported the effect of PTx on QoL. All PTx studies were observational and non-controlled. The physical component scores of the 36-item Medical Outcomes Study Short-Form Health Survey increased significantly with a weighted mean of 35.5% (P < 0.05). Mental component scores increased with 13.7% (P < 0.05). Parathyroidectomy assessment of symptom scores improved from 561 preoperatively to 302 postoperatively (-259 points; -46.2%). Visual analogue scale scores decreased significantly for skin itching (46.6%), joint pain (30.4%) and muscle weakness (28.7%) (P < 0.05). Three studies on the effect of cinacalcet on QoL were included, including one randomized controlled trial. None of these studies showed significant improvement of physical component and mental component scores.

CONCLUSIONS: PTx improved QoL in patients treated for ESRD-related HPT, whereas cinacalcet did not. The difference in impact between PTx and cinacalcet on QoL has not been compared directly.

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