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  • Title: The outcome of renal denervation for managing loin pain haematuria syndrome.
    Author: Greenwell TJ, Peters JL, Neild GH, Shah PJ.
    Journal: BJU Int; 2004 Apr; 93(6):818-21. PubMed ID: 15049996.
    Abstract:
    OBJECTIVE: To evaluate the outcome of renal denervation for the treatment of loin pain-haematuria syndrome (LPHS), a rare syndrome of unknown cause associated with debilitating and intractable loin pain. PATIENTS AND METHODS: The case notes of 32 patients having 41 renal denervations were reviewed. Data collected included patient demographics, possible causes, cure or not after renal denervation, time to recurrence of pain after denervation and further operative intervention for managing LPHS. RESULTS: Full data were available for 24 patients (13 women; median age 43 years, range 28-74) having 33 denervations (eight bilateral and one repeat) with a median follow-up of 39.5 months. Most patients had no identifiable underlying cause although many had initially been diagnosed as having stone disease (42%) or pyelonephritis (25%), but with no corroborative evidence. All patients had been extensively investigated and had normal urine samples and cytology, and no abnormality on intravenous urography, renal tract ultrasonography and isotopic renography. Twenty-four renal denervations (73%) were followed by recurrent ipsilateral pain at a median (range) of 11 (0-120) months after surgery. Nine denervations (25%) in six men and two women were curative (median follow-up 16.5 months). Of those with recurrent pain, nine (38%) proceeded to nephrectomy, of whom three then developed loin pain on the contralateral side and two developed disabling wound pain. The analgesic requirement was less after eight non-curative denervations. There were no significant postoperative complications. CONCLUSIONS: Renal denervation has only a 25% success rate for managing pain associated with LPHS and should be used cautiously for this indication. Men had more benefit from the treatment; a third of patients had less requirement for analgesic after non-curative denervation.
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