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Related Experiment Video

Updated: Jun 12, 2026

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
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Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis

Published on: November 21, 2013

Nutcracker phenomenon and nutcracker syndrome.

Andrew K Kurklinsky1, Thom W Rooke

  • 1MACP, Section of Vascular Medicine, Mayo Clinic, Rochester, MN 55905, USA. kurklinsky.andrew@mayo.edu

Mayo Clinic Proceedings
|June 1, 2010
PubMed
Summary

Nutcracker syndrome (NCS) is a complex condition caused by left renal vein compression. Diagnosis is often delayed due to varied symptoms and lack of established criteria, impacting patient care.

Area of Science:

  • Nephrology
  • Vascular Surgery
  • Radiology

Background:

  • Nutcracker phenomenon involves left renal vein compression, typically between the aorta and superior mesenteric artery, impeding blood flow.
  • Nutcracker syndrome (NCS) is the symptomatic manifestation of this phenomenon, presenting with diverse clinical features.
  • NCS diagnosis is challenging and frequently delayed, despite potential for significant morbidity.

Purpose of the Study:

  • To review the literature on nutcracker syndrome and phenomenon.
  • To elucidate the clinical relevance and prominent features of NCS.
  • To summarize professional experience and existing knowledge on NCS.

Main Methods:

  • Literature review using MEDLINE from 1950 to present.
  • Keywords used: "nutcracker syndrome," "nutcracker phenomenon," "renal vein entrapment."

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  • Additional review of cited articles from initial search.

    • Main Results:

    • Nutcracker phenomenon is defined by left renal vein compression and impaired outflow.
    • Nutcracker syndrome presents with varied symptoms, requiring multidisciplinary specialist involvement.
    • Diagnostic and treatment criteria for NCS are not well-established, and its natural history is poorly understood.

    Conclusions:

    • Nutcracker syndrome is a complex clinical entity with diagnostic challenges.
    • Further research is needed to establish clear diagnostic and treatment guidelines.
    • Understanding the natural history of NCS is crucial for improved patient management.