Monday, June 11, 2012

chemo extravasation

http://www.uic.edu/classes/pmpr/pmpr652/Final/bressler/extrainj.html

http://www.jhandsurg.org/article/S0363-5023(11)01243-3/fulltext




Friday, June 8, 2012

flaps

http://www.msdlatinamerica.com/ebooks/HandSurgery/sid806116.html

Monday, June 4, 2012

stsg

http://cdn.intechopen.com/pdfs/18924/InTech-Split_thickness_skin_grafts.pdf

hook test biceps


The Hook Test for Distal Biceps Tendon Avulsion

  1. Shawn W. O’Driscoll, PhD, MD†,*, 
  2. Lucas B. J. Goncalves, MD‡, and
  3. Patricio Dietz, MD§
+Author Affiliations
  1. From the †Mayo Clinic, Rochester, Minnesota, ‡Hospital Madre Teresa, Belo Horizonte, Brazil, and §Hospital Base Osorno, Osorno, Chile
  1. Address correspondence to Shawn W. O’Driscoll, PhD, MD, Mayo Clinic, 200 1st Street SW, MSB 3-69, Rochester, MN 55905 (e-mail: odriscoll.shawn@mayo.edu).

Abstract

Background: Complete biceps tendon avulsions are frequently missed on clinical examination, suggesting the need for a reliable diagnostic test.
Hypothesis: Complete distal biceps avulsions can be reliably detected with the Hook test.
Study Design: Cohort study (diagnosis); Level of evidence, 2.
Methods: The hook test was performed by a single surgeon in a cohort of 45 patients undergoing surgical exploration of the distal biceps tendon. While the patient actively supinates with the elbow flexed 90°, an intact hook test permits the examiner to hook his or her index finger under the intact biceps tendon from the lateral side. With an abnormal hook test, indicating distal avulsion, there is no cord-like structure under which the examiner may hook a finger.
Results: Thirty-three patients had an avulsion and 12 had a partial tear. The hook test was abnormal in 33 of 33 (100%) patients with complete biceps avulsions, and intact in 12 of 12 with partial detachments. However, it was painful in 9 of those 12. In the noninjured contralateral arms, which served as the normal control group, 45 of 45 (100%) had a normal hook test. Magnetic resonance imaging (MRI) diagnosed a complete tear in 11 of 12 patients with partial tears and in 11 of 13 with complete lesions. The sensitivity and specificity were both higher with the hook test (both 100%) than with MRI (92% and 85%, respectively).
Conclusions: The hook test is a highly sensitive and specific test for assessment of distal biceps tendon avulsions.

Keywords:

Footnotes

  • No potential conflict of interest declared.

tendon relative strengths

. With the FCR muscle as the reference it is well known that the relative strengths of the FCU, flexor pollicis longus, each of the digital flexors, extensor carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris, and each of the digital extensors are 2, 1, 0.5, 1, 1, 1, and 0.5, respectively.8 When one takes the ratio of all the flexors to all the extensors the flexion/extension ratio is essentially 8 divided by 6 and is approximately 1.33 based on the cross-sectional area of the muscle bellies, suggesting that the total flexion force generated will be greater than the extension force.

Elbow instability

http://www.bonepit.com/Lectures/Elbow%20instability%20Matthew%20James%20Sharp.pdf

Thursday, May 31, 2012

cp

macs

TABLE 1. Summary of the MACS
MACS LevelDescription
IHandles objects easily and successfully.
IIHandles most objects but with somewhat reduced quality or speed of achievement.
IIIHandles objects with difficulty; needs help to prepare or modify activities.
IVHandles a limited selection of easily managed objects in adapted situations.
VDoes not handle objects and has severely limited ability to perform even simple actions.

house

TABLE 2. House Functional Classification
GradeDesignationActivity Level
0Does not useDoes not use
1Poor passive assistUses as stabilizing weight only
2Fair passive assistCan hold on to object placed in hand
3Good passive assistCan hold on to object and stabilize it for use by the other hand
4Poor active assistCan actively grasp object and hold it weakly
5Fair active assistCan actively grasp object and stabilize it well
6Good active assistCan actively grasp object and then manipulate it against other hand
7Spontaneous use, partialCan perform bimanual activities easily and occasionally uses the hand spontaneously
8Spontaneous use, completeUses hand completely independently without reference to the other hand