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Related Concept Videos

Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...

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In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
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Ultrasonography-guided punctures-with and without puncture guide.

Mahesh Desai1

  • 1Department of Urology, Muljibhai Patel Urological Hospital, Gujarat, India. mrdesai@mpuh.org

Journal of Endourology
|September 1, 2009
PubMed
Summary

Ultrasound-guided (US) puncture offers a radiation-free, safer approach for percutaneous nephrolithotomy access, minimizing injury risks. This technique provides precise guidance for optimal renal access, especially in pediatric cases.

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Area of Science:

  • Urology
  • Medical Imaging
  • Minimally Invasive Surgery

Background:

  • Percutaneous nephrolithotomy (PCNL) requires precise access to the renal collecting system.
  • The kidney's vascularity poses a risk of injury during access.
  • Fluoroscopy is a common guidance method but involves radiation exposure.

Purpose of the Study:

  • To evaluate ultrasound (US)-guided puncture as a superior method for percutaneous renal access.
  • To highlight the benefits of US guidance in minimizing complications during PCNL.

Main Methods:

  • Comparison of fluoroscopic control versus US-guided puncture for percutaneous renal access.
  • Discussion of US probe features, including puncture attachments and electronic guidance lines.
  • Consideration of US-guided access in specific patient populations and scenarios.

Main Results:

  • US-guided puncture avoids radiation exposure and reduces risks of adjacent, visceral, and intrarenal vascular injury.
  • US offers a direct, straight path to the collecting system with potentially lower morbidity.
  • Needle guides enhance accuracy in US-guided punctures, though unguided access has utility in specific situations.

Conclusions:

  • US-guided renal access is a safe and effective alternative to fluoroscopy, particularly beneficial for pediatric patients and those in supine positions.
  • The technique significantly reduces procedural complications and offers precise targeting of the collecting system.
  • Structured training in US-guided techniques is essential for optimal performance and patient outcomes.