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At least 127 records · Page 7Linked to original sources
PubMed1982

[Experiences and results in the treatment of scaphoid fractures and pseudarthroses of the hand with special reference Matti-Russe osteoplasty].

The author deals with the specific problems involved in the diagnosis of scaphoid fractures and the mechanical causes responsible for non-union of the scaphoid bone because of movements of the hand joint and blood supply of the scaphoid bone. Reference is made to details of surgery according to Matti and Matti-Russe which the author considers to be particularly important while assuming that the reader is already familiar with the technique. Emphasis is also placed on the importance of sufficiently long and careful immobilisation and subsequent physiotherapy. Alternative methods of surgery in special cases and advanced non-unions or arthroses of the hand joint are indicated and the results of treatment conducted by the author during the period 1. 1. 1967 to 31. 12. 1979 are tabulated.

Bone Screws↗
PubMed1990

[Fresh post-traumatic soft tissue defects of the wrist joint and hand and their closure].

As a universal human tool the hand often suffers injuries of its soft tissue. Different localization of defects (palmar and dorsal) and different injuries of functional structures (tendon, nerve, vessel, bone) also need different soft tissue cover and wound closure. The possibilities in plastic surgery of the hand include free transplantation of skin, local and distant flaps, free flaps and neurovascular flaps.

Hand Injuries↗
PubMed1982

[Arthrosis of the hand].

The hand joints most commonly involved by the degenerative process are, in decreasing order of frequency, the distal interphalangeal joints, the trapezo-metacarpal joint, the metacarpo-phalangeal joint of the thumb, the carpal metacarpal joint of the second and third fingers, the metacarpo-phalangeal joints and the proximal interphalangeal joints. Erosive osteoarthrosis can be confused with arthropathy associated with psoriasis. Degenerative joint disease of the hand is more common in women. Even though some authors have suggested a genetical origin, the most commonly accepted etiology is recurrent microtrauma of the pinching mechanism. Treatment consists of anti-inflammatory drugs during episodes of acute pain, and physiotherapy. Surgery is rarely indicated.

Female↗
PubMed1999

Scintigraphic hand osteoarthritis (OA)--prevalence, joint distribution, and association with OA at other sites.

OBJECTIVE: To assess the information available from routine bone scans on prevalence and joint distribution of osteoarthritis (OA), particularly of the hand. METHODS: Consecutive whole body bone scans of 414 patients, including a special hand projection, were analyzed for evidence of OA related uptake. After exclusions for various reasons, 297 scans were considered "representative" with regard to hand OA (108 male and 189 female patients). Kappa values for interreader agreement ranged from 0.61 to 0.82 for hand joints and was slightly lower for other joints. RESULTS: The prevalence of positive hand joints was low before the age of 40, but increased rapidly in the 5th and 6th decade to reach a plateau. Women had a higher prevalence of uptake than men in the carpometacarpal-1 (CMC1) joint and patella. Uptake was similar on the dominant and non-dominant sides in all joints with the exception of the shoulder. Subchondral knee uptake prevalence tended to decrease in the oldest age groups, but other joint sites showed a steadily increasing prevalence throughout life. Hand symptoms were related to distal interphalangeal (DIP) and CMC1 uptake, thumb symptoms with first metacarpophalangeal joint (MCP1) CMC1 uptake, and knee symptoms with the subchondral knee uptake pattern. Affected hand joint distribution was characterized by a strong bilateral concordance within rows, and an association was seen between subchondral knee uptake and hand involvement, particularly in the DIP joints, but to a lesser degree also with CMC1 and proximal interphalangeal (PIP) uptake. Association between spinal sites and between the forefoot and the knee was also observed. CONCLUSION: Bone scintigraphy is valuable method in epidemiological studies of OA, with acceptable interreader reproducibility and relation to joint symptoms. Although much of the current findings seem comparable with previous radiologic studies, they provide new ideas about age related patterns and joint subsets, possibly indicating a difference in pathogenetic mechanisms among joints in OA.

Adult↗
PubMed2006

[Implants in the hand].

Increasingly, implants in the region of hand joints and the wrist represent an alternative for the treatment of post-traumatic, inflamed, or degenerative joint damage. The diversity of hand functions also results in varied solutions, which are effective in their stability, mobility, and distraction. Different materials are necessary for this, and they require subtile radiological control. The native X-ray represents the substantial method to observe migration of the implants. Each interface between titanium, ceramic, zirconium, pyrocarbon, and silicon to the bone has to be assessed differently in order to obtain a relevant statement. The finger joints and to a limited extent the wrist represent the artificial joints with limited alternative therapy. Other implants in the hand should only be applied after strict indication and patient compliance, as arthrodesis and resection arthroplasty have shown very good long-term results.

Arthritis↗
PubMed1995

[Quantitative characteristics of the causes of functional overstrain of the hands].

Functional studies of hands strain covered 2351 women who performed multiple manual maneuvers with absent, mild and moderate efforts. Considered reasons of the functional strain were: number of the maneuvers per shift, applied efforts, work intensity, length of service, previous work hardiness, hand efforts beyond the worktime, specific traits of workers (age, health state). Functional strain of hands was assessed by means of an Articular Pain Index which is general evaluation of severity, intensity and frequency of pain in hand joints. The authors suggest norms for allowable and hazardous quantity of hand maneuvers in accordance with their structure.

Adult↗
PubMed1999

Prevalence of mutilans-like hand deformities in patients with seropositive rheumatoid arthritis. A prospective 20-year study.

This study examined radiographically the prevalence of arthritis mutilans hand deformities in an inception cohort of 68 rheumatoid arthritis (RA) patients. Hand deformities of 103 RF-positive RA patients were evaluated after 8 years, 83 patients after 15 years and 68 patients 20 years after entry. The grade of destruction in the hand joints was assessed by the Larsen method and Larsen scores of 0-50 were determined for both PIP (+IP) and MCP joints. At the end point, 3 patients had Larsen scores > or =40 for both PIP and MCP joints. These three patients had severe resorption in most of the finger joints, but did not demonstrate classical opera-glass hand. The prevalence of mutilans-like hand deformities with RA was 3/68 (4.4%) in a prospective 20-year study.

Adolescent↗
PubMedDate not supplied

The use of the Millard "crane" flap for deep hand burns with exposed tendons and joints.

Deep hand burns with exposed tendons and joints are rare but devastating injuries. They cannot be grafted and require flaps. Abdominal or groin flaps are commonly used, but they are bulky and require separation of the digits. We tried the Millard "crane" flap for these burns and compared our patients' results with those of patients who had received standard abdominal skin flaps. Eleven deep hand burns that had been treated with flaps were evaluated. Six patients had been treated with the crane flap and 5 had been treated with conventional abdominal skin flaps. All crane procedures provided graftable wound beds. The total active ranges of motion of all 11 patients 6 months after the surgical procedures showed no statistical difference. The crane method also provides good cosmetic results. None of the hands treated with crane flaps required procedures to separate the digits or debulk the flaps, but all of the hands treated with conventional abdominal skin flaps required these types of procedures.

Abdomen↗
PubMed2005

Characteristics of joint degeneration in hand osteoarthritis.

OBJECTIVES: To assess quantitatively the relative contribution of joint degeneration characteristics such as osteophytes (OS), joint space narrowing (JS), subchondral sclerosis (SS), subchondral cysts (SC), lateral deformity (LD) and cortical collapse (CC) to the Kellgren and Lawrence (K-L) score grade of hand osteoarthritis (OA). METHODS: Radiographs of both hands were taken from 1245 study participants, native Chuvasha, Russian Federation. K-L score and the six above-mentioned characteristics were assessed on 15 joints of each hand. Multiple regression and correlation analyses were performed: for rows of hand joints and groups of thumb joints, and for the aforementioned rows but assigned into six age groups. RESULTS AND CONCLUSIONS: According to the K-L grading system the relative contribution of OS to joint degeneration was high in all stages of the process. JS and SS played an important role in determining the K-L score in persons younger than 40 but less so in older people. Conversely, influence of SC and LD is insignificant at the onset of OA (i.e., in young persons), yet in older people it was a leading determinant of the K-L score. CC exerts no influence on the K-L score of OA.

Adolescent↗
PubMed1996

Effectiveness of the chevron arthrodesis in small joints of the hand.

The chevron arthrodesis technique for small joints in the hand was used in 98 joints in 71 operations on 53 patients. Successful fusion was obtained in all cases in an average of 9 weeks. There were 2 minor infections and 1 malunion. The chevron arthrodesis technique is technically easy while offering the advantage of a large surface area of cancellous bone for fusion.

Adolescent↗
PubMed1991

Radiologic changes in temporomandibular, hand, and foot joints of patients with rheumatoid arthritis.

Radiologic changes in the temporomandibular joint (TMJ) and in the joints of the hand and foot were recorded for 90 adult patients with rheumatoid arthritis. The severity of the changes was graded according to the Larsen classification of six grades (O to V), and mainly erosive changes were recorded. The assessment of the radiographs was performed with the aid of reference films. The radiologic changes in the TMJs corresponded to grade II (definite early abnormality) and paralleled those of most of the metacarpophalangeal and metatarsophalangeal joints. The most severe changes were localized to the wrists, with a median grade of III (moderate destructive abnormality). The severity of the changes was similar on the right and left sides of the TMJ. We conclude that TMJ involvement in patients with rheumatoid arthritis is severe and warrants a thorough initial clinical examination. Such a strategy will facilitate the diagnosis and treatment of TMJ changes in the early stages of the disease.

Adolescent↗
PubMed1989

Unusual arthritis: be on the alert for leprosy.

A 50-year-old Indonesian man presented with arthritis of the left ankle, wrist and hand joints and a diffusely swollen left hand and foot. A few months later granulomatous skin lesions developed and renewed physical examination revealed a paresis of the intrinsic muscles of the left hand and the left M. extensor hallucis longes and thickening of several peripheral nerves. The skin lesions appeared to be anesthetic. A diagnosis of borderline tuberculoid leprosy was made and treatment resulted in cure with permanent peripheral nerve damage. This case emphasizes the importance of early recognition and treatment of leprosy to prevent nerve damage.

Arthritis↗
PubMed1998

The effects of muscular fatigue on the coordination of a multijoint movement in human.

The purpose of the present experiment was to investigate the adaptation to fatigue in a multijoint movement. The subjects' task was to throw a ball towards one of three targets in two conditions of no fatigue and fatigue. Results showed that the number of successful trials decreased with fatigue. Analysis of these successful trials showed that, without fatigue, the final hand velocity resulted from a 'summation of speed' principle from the elbow to the hand joint. With fatigue, a new inter-segmental organization was necessary in order to maintain a good motor performance. This compensating strategy was characterized by the absence of a temporal delay between the elbow and hand peak velocity suggesting that, with fatigue, movement organization was similar to that of a rigid system. In other words, the 'summation of speeds' principle was no more respected.

Adaptation, Physiological↗
PubMed2006

Psoriatic arthritis and rheumatoid arthritis: findings in contrast-enhanced MRI.

OBJECTIVE: Our objective was to define typical MRI findings of the wrist and the hand in patients with psoriatic arthritis (PsA) and rheumatoid arthritis (RA). MATERIALS AND METHODS: Eighteen PsA and 21 RA patients with arthralgia of the wrist or hand joints underwent gadolinium-enhanced MRI of the wrist and hand. Two experienced radiologists interpreted abnormalities in consensus with respect to periarticular soft-tissue swelling, synovitis with or without effusion, periostitis, bone edema, bone erosions, bone cysts, and tenosynovitis. The distribution of the abnormalities also was evaluated. RESULTS: Erosions were statistically more frequent in patients with RA (p < 0.05). Periostitis was statistically seen more frequently in patients with PsA (p < 0.05). No statistically significant difference was found in the frequency of synovitis, bone marrow edema, bone cysts, and tenosynovitis between the two groups (p > 0.05). The radiocarpal joint, the midcarpal joints, the carpometacarpal joints, and the metacarpophalangeal joints were significantly affected more frequently in patients with RA than in patients with PsA (p < 0.05), whereas the proximal interphalangeal joints were significantly more frequently affected in patients with PsA (p < 0.05). CONCLUSION: Periostitis and synovitis of the proximal interphalangeal joints are typical MRI findings in patients with PsA, whereas synovitis with erosions of the wrist, the midcarpal joints, the carpometacarpal joints, and the metacarpophalangeal joints are typical findings in patients with RA.

Adult↗
PubMed1996

Task-level object grasping for simulated agents.

Simulating a human figure performing a manual task requires that the agent interact with objects in the environment in a realistic manner. Graphic or programming interfaces to control human figure animation, however, do not allow the animator to instruct the system with concise "high-level" commands. Instructions coming from a high-level planner cannot be directly given to a synthetic agent because they do not specify such details as which end-effector to use or where on the object to grasp. Because current animation systems require joint angle displacement descriptions of motion--even for motions that incorporate upwards of 15 joints--an efficient connection between high-level specifications and low-level hand joint motion is required. In this paper we describe a system that directs task-level, general-purpose, object grasping for a simulated human agent. The Object-Specific Reasoner (OSR) is a reasoning module that uses knowledge of the object of the underspecified action to generate values for missing parameters. The Grasp Behavior manages simultaneous motions of the joints in the hand, wrist, and arm, and provides a programmer with a high-level description of the desired action. When composed hierarchically, the OSR and the Grasp behavior interpret task-level commands and direct specific motions to the animation system. These modules are implemented as part of the Jack system at the University of Pennsylvania.

Computer Graphics↗