Evaluation of collateral circulation of the hand
@article{Fuhrman2005EvaluationOC, title={Evaluation of collateral circulation of the hand}, author={Thomas M. Fuhrman and William Pippin and Lance A. Talmage and Thomas E. Reilley}, journal={Journal of Clinical Monitoring}, year={2005}, volume={8}, pages={28-32} }
In 1929, Edgar V. Allen described a noninvasive evaluation of the patency of the arterial supply to the hand of patients with thromboangitis obliterans (Am J Med Sci 1929;178:237). In the early 1950s, Allen's test was modified (Wright I. Vascular diseases in clinical practice. Chicago: Year Book Medical Publishers, 1952) for use as a test of collateral circulation prior to arterial cannulation. This test involves the examiner occluding the patient's ulnar and radial arteries while the patient…
55 Citations
Evaluation of the ulnopalmar arterial arches with pulse oximetry and plethysmography: comparison with the Allen's test in 1010 patients.
- MedicineAmerican heart journal
- 2004
Modified Allen’s test performed with a pulse oximeter – back to the future?
- MedicineActa anaesthesiologica Scandinavica
- 2007
A 38-year-old right-handed man underwent inguinal hernioplasty under epidural anesthesia and a negative modified Allen’s test suggested an inadequate ulnar collateral circulation.
ANATOMIC BASES OF MEDICAL, RADIOLOGICAL AND SURGICAL TECHNIQUES
- Medicine
- 2006
The results suggest that a positive Al- len's test can be found in both left and right-handed people, with regard to the left andright hands and both radial and ulnar arteries may be implicated.
Assessment of collateral circulation to the hand prior to radial artery harvest
- MedicineVascular medicine
- 2012
The anatomy and the physiologic basis for the MAT, the pros and cons of various NITs, and recommendations for the assessment of collateral circulation to the hand prior to interventions directed at the RA are reviewed.
Radial Artery Cannulation: A Comprehensive Review of Recent Anatomic and Physiologic Investigations
- MedicineAnesthesia and analgesia
- 2009
Limited clinical experience with the ultrasound-guided arterial cannulation method suggests that this technique is associated with increased success of cannulation with fewer attempts, and research is needed to assess the safety of using the ulnar artery as an alternative to radial artery cannulation.
Collateral Circulation Testing of the Hand- Is it Relevant Now? A Narrative Review.
- MedicineThe American journal of the medical sciences
- 2020
Combining the Modified Allen’s Test and Pulse Oximetry for Evaluating Ulnar Collateral Circulation to the Hand for Radial Artery Catheterization of the ED Patient
- MedicineThe California journal of emergency medicine
- 2003
How pulse oximetry may be used to perform the modified Allen’s test in patients to evaluate collateral circulation and potentially reduce the risk of iatrogenic hand ischemia is discussed.
Preoperative assessment of the radial artery for coronary artery bypass grafting: is the clinical Allen test adequate?
- MedicineThe Annals of thoracic surgery
- 2005
Hand Perfusion in Patients with Physiological or Pathological Allen's Tests
- Medicine, BiologyJournal of reconstructive microsurgery
- 2019
Patients with a pathological AT suffered significantly more from the loss of dual hand perfusion than patients with a physiological AT and need more time to compensate for the altered perfusion pattern.
The modified Allen test and a novel objective screening algorithm for hand collateral circulation using differential photoplethysmography for preoperative assessment: a pilot study
- MedicineJournal of medical engineering & technology
- 2020
The proposed procedure/algorithm may provide many indicators of the hand blood circulation, the effect of an artery occlusion on the hand, and a recommendation for selecting the best artery to access with the lowest possible complications.
References
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The authors recommend that the Allen test be performed with the patient's hand slightly flexed and relaxed, and no individual artery required more than 6 seconds for the flush to appear after opening of the hand.
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Using the photoplethysmographic component of the pulse oximeter may improve the assessment of collateral circulation of the hand in which arterial cannulation is being contemplated.
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