Percutaneous Nephrolithotomy in Patients With Stage 2-4 Chronic Kidney Disease

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-07-01

Study Completion Date

2022-10-01

Brief Summary

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The study aims to evaluate the effect of percutaneous nephrolithotomy (PCNL) on estimated glomerular filtration rate (eGFR) in patients with stage 2-4 chronic kidney disease

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Detailed Description

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Nephrolithiasis affects an estimated 5-10% of the general population, and this percentage continues to rise. It has a prevalence of 1.7% to 18% in patients with chronic kidney disease (CKD), and nephrolithiasis-related CKD contributed to 3.2% of the total patients who started maintenance dialysis therapy.

The etiology of renal insufficiency in patients with nephrolithiasis is multifactorial and includes renal obstruction, recurrent urinary tract infections, frequent surgical interventions and coexisting medical disease.

According to National kidney foundation, chronic kidney disease is classified into 5 stages as follows:

Stage 1: Kidney damage with normal or elevated GFR \< 90 ml/min/1.7 m2 Stage 2: Kidney damage with mildly decreased GFR 60-89 ml/min/1.7 m2 Stage 3: Moderately decreased GFR 30-59 ml/min/1.7 m2 Stage 4: Severely decreased GFR 15-29 ml/min/1.7 m2 Stage 5: Kidney Failure GFR\>15 ml/min/1.7 m2 Management of nephrolithiasis in patients with CKD is often difficult. Options for preserving kidney function include watchful waiting, shockwave lithotripsy (SWL), an endourologic approach (Percutaneous nephrolithotomy or retrograde intra-renal surgery), laparoscopic surgery or conventional open surgery.

Percutaneous nephrolithotomy (PCNL) is considered as the gold standard intervention for large burden and complex renal stone disease and is associated with the highest stone free rates (SFRs). However, potentially significant complications include bleeding, sepsis, pleural and visceral injury. Therefore, the optimal management plan needs to be tailored to individual patient.

Serum creatinine level has been used as a crude index of renal function in studies of patients with CKD, but it is not reliable. The glomerular filtration rate (GFR) should be used instead. GFR is the most accurate way to give health providers an estimate of functioning renal mass. Estimating GFR with the use of prediction equations is cost effective.

In this study, we will prospectively evaluate the effect of percutaneous nephrolithotomy on the estimated glomerular filtration rate in Patients With Stage 2-4 chronic kidney disease.

Conditions

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Percutaneous Nephrolithotomy

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Adult patients with age group ≥ 18 years old with renal stones candidate for PCNL with pre-operative estimated GFR less than 90 ml/min/1.7 m2 and ≥ 15 ml/min/1.7 m2.

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Case group

Adult patients with age group ≥ 18 years old with renal stones candidate for PCNL with pre-operative estimated GFR less than 90 ml/min/1.7 m2 and ≥ 15 ml/min/1.7 m2.

Group Type EXPERIMENTAL

Percutaneous nephrolithotomy

Intervention Type PROCEDURE

Percutaneous nephrolithotomy (PCNL) is a technique used to remove complex renal stones, or stones resistant to shockwave lithotripsy. A tube is placed through the incision in the kidney, under X-ray guidance, and renal stones are extracted by using nephroscope

Interventions

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