Combination therapy with low-dose metolazone and furosemide: a “needleless” approach in managing refractory fluid overload in elderly renal failure patients under palliative care

Background and objective End-stage renal failure (ESRF) patients under palliative care could live for months or even years after deciding not to start dialysis. They could experience significant symptom burden with recurrent fluid overload due to poor renal reserve. This could imply repeated hospita...

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Published in:International urology and nephrology 2014-09, Vol.46 (9), p.1809-1813
Main Authors: Cheng, Hon Wai Benjamin, Sham, Mau-Kwong, Chan, Kwok-Ying, Li, Cho-Wing, Au, Ho-Yan, Yip, Terence
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Diuretics - administration & dosage
Drug Therapy, Combination
Edema - drug therapy
Edema - etiology
Furosemide - administration & dosage
Humans
Kidney Failure, Chronic - complications
Kidney Failure, Chronic - therapy
Male
Medicine
Medicine & Public Health
Metolazone - administration & dosage
Nephrology
Nephrology - Original Paper
Palliative Care
Urology
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Summary:Background and objective End-stage renal failure (ESRF) patients under palliative care could live for months or even years after deciding not to start dialysis. They could experience significant symptom burden with recurrent fluid overload due to poor renal reserve. This could imply repeated hospital admissions for parenteral diuretics, which may destabilize their community support and limit their precious time spent with family. Diuretic therapy remains the cornerstone of managing fluid overload, but when per-oral administration become ineffective, parenteral diuretics may cause extra discomfort with potential infective complications. Metolazone, since its introduction in 1970s, has been proven effective in managing refractory heart failure, but whether its potential effect could be applied in ESRF patients not receiving dialysis is awaited to be proven. Method In our case series, we recruited elderly renal failure patients under palliative care with refractory fluid overload resistant to oral furosemide (120–160 mg daily dose), which was successfully managed after addition of low-dose metolazone (2.5–5 mg) for short duration (2–5 days). Reasoning behind not to initiate intravenous diuretics was discussed. Results All patients show good tolerance to combined diuretics without significant blood pressure fluctuation or electrolytes disturbance. Peripheral and pulmonary edema was clinically improved. Body weight reduction of 2.0–5.0 kg was achieved. Conclusion Our case series support the use of above regimen as a potential alternative in ESRF patients under palliative care, without bearing the parenteral route of treatment burden.
ISSN:0301-1623
1573-2584
DOI:10.1007/s11255-014-0724-z