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Urinary Tract Calculi VI: Surgical Management01:25

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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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Acute Pyelonephritis II: Diagnostic Studies and Management01:28

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Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
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IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
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Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living...
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Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such...
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Urinary Tract Calculi III: Medical Management01:30

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The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
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What's new in percutaneous nephrolithotomy.

Arvind P Ganpule1, Mahesh R Desai1

  • 1Muljibhai Patel Urological Hospital, Dr. Virendra Desai Road, Nadiad 387001, India.

Arab Journal of Urology
|November 12, 2015
PubMed
Summary

Advances in percutaneous nephrolithotomy (PCNL) involve new imaging and miniaturized instruments. These innovations improve planning and techniques like microperc and miniperc for better stone clearance and patient outcomes.

Keywords:
AdvancesCBCT, cone-beam CTCROES, Clinical Research Office of the Endourological SocietyHU, Hounsfield unitKidney stonesMicropercMinipercOutcomePCNLPCNL, percutaneous nephrolithotomyRIRS, retrograde intrarenal surgery

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Area of Science:

  • Urology
  • Surgical Technology

Background:

  • Percutaneous nephrolithotomy (PCNL) aims for complete kidney stone clearance with minimal patient harm.
  • Effective PCNL relies on precise technique, surgeon expertise, and appropriate instrumentation.

Purpose of the Study:

  • To review recent advancements in percutaneous nephrolithotomy (PCNL).
  • To focus on innovations in imaging, surgical techniques, and instrumentation for improved stone clearance and reduced complications.

Main Methods:

  • Systematic literature review using PubMed/Medline.
  • Keywords: 'PCNL' and 'advances in PCNL'.
  • Analysis focused on imaging, techniques, outcomes, stone clearance, and complications.

Main Results:

  • New imaging (cone-beam CT, staghorn morphometry) aids procedural planning.
  • Miniaturization of instruments has led to techniques like 'microperc' and 'miniperc'.
  • Clinical data initiatives provide a high level of evidence for PCNL outcomes.

Conclusions:

  • Modern imaging and minimally invasive techniques enhance PCNL safety and efficacy.
  • Advancements in instrumentation and surgical approaches contribute to better stone clearance rates.
  • Standardized data collection improves the evidence base for percutaneous nephrolithotomy procedures.