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At least 1,063 records · Page 59Linked to original sources
PubMed1991

High-resolution fast low-angle shot magnetic resonance imaging of the normal hand.

Cross-sectional magnetic resonance (MR) images of the normal hand, wrist, and fingers with an inplane resolution of 0.2-0.4 mm and a slice thickness of 1-2 mm were obtained using a 40-cm bore, 2.35-T MRI system equipped with actively shielded 50 mT m-1 gradient coils. A detailed description of the normal anatomy is given. The T1-weighted, multi-slice, fast low-angle shot (FLASH) MR images presented show a substantial improvement in resolution as compared with earlier reports. Typical investigational times of about 15 min offer a fast scan protocol that is suitable for routine clinical applications. The study further demonstrates the potential of dedicated magnets to facilitate and refine diagnostic MR imaging of hand injuries and hand-related diseases.

Adult↗
PubMed2007

[Electronic documentation of injuries of the hand with a semantic network: effective and efficient methods for the documentation of clinical and administrative processes].

BACKGROUND: An efficient medical documentation is mandatory for a trauma-oriented department in the DRG environment. Besides the continuously increasing clinical/administrative demands, the additional documentation for quality assurance, clinical studies, and research requires additional efforts. Standard solutions are only partially effective. Especially in hand surgery there is a high demand for sophisticated clinical documentation, represented by a wide variety of classifications in diagnosis and therapy. The standard documentation tools lack accuracy. The development of a software tool that defines administrative/business processes and simultaneously generates clinical and administrative information was the goal of this project. METHODS AND RESULTS: With a standard medical terminology, an innovative semantic network, and a completely new graphical user interface, it was possible to develop and introduce a software program specifically adjusted for hand surgery. This program facilitated for the first time a single-stage acquisition of clinically relevant scientific data and the simultaneous generation of DRG, quality assurance, and administrative data relevant for the hospital's revenues. CONCLUSIONS: The newly developed software tool is a step forward into a new dimension of medical software, obviating the need for multi/documentation and significantly improving the quality of clinically relevant medical data.

Computer Graphics↗
PubMed1986

Compressed air injuries of the hand.

Two cases of injection of compressed air into the hand are reported. The air was injected under a pressure of 5-15 Atm. Both cases had a benign course. This is in contrast to high pressure injection (40-400 Atm) with foreign material. Both patients had minor skin lesions before the accident.

Adolescent↗
PubMed1987

Hand function after injuries to the collateral ligaments of the metacarpophalangeal joint of the thumb.

An assessment was made of 34 patients who had sustained injuries to collateral ligaments of the metacarpophalangeal joint of the thumb. 23 patients had symptoms in the thumb, when seen at a mean of 38.7 months later, but these were minor in all but one patient. Assessment of pinch strength revealed that 43% of patients had less than 80% of the strength of the opposite side. This was not related to the presence of symptoms or to demonstrable instability of the joint, but the incidence of such weakness was greater when the operation had been delayed by more than three weeks. Pinch strength should be measured in two positions (key pinch and lateral pinch) as there is occasionally a large discrepancy between the two.

Finger Injuries↗
PubMed1987

Cold sensitivity after replantation in relation to arterial circulation and vasoregulation.

Cold intolerance is a common problem after injuries to the hand. To elucidate the mechanism of this cold sensitivity, eight patients with successful replantations of amputations of the thumb or index finger were studied one and half years later. In six patients the Doppler signal from the anastomosed arteries was normal and in two patients signs of mild stenosis were found. All patients had normal or slightly reduced basal finger systolic pressure in the replanted finger. Six had signs of marked vasospasm. Alpha-receptor blockade had no effect on the cold-induced decrease in finger systolic pressure in the replanted finger. It is concluded that cold intolerance after hand injuries results from a defect in vasoregulation and is not caused by organic insufficiency of the circulation.

Adult↗