AMA Guides to the Evaluation of Permanent Impairment, 6th Edition

Rondinelli, Robert D.; Genovese, Elizabeth; Katz, Richard T.; Mayer, Tom G.; Mueller, Kathryn; Ranavaya, Mohammed; Brigham, Christopher R.

doi:10.1001/978-1-57947-888-9

Cited by 130 publications

(40 citation statements)

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“…2 In contrast to impairment involving many other body regions, visual impairment is associated with high levels of disability, making the prevention of eye injuries especially important. 3 Although people of all ages experience eye injury, children <18 years of age sustain nearly 35% of all eye injuries in the United States. 1 A small number of studies have used data from the National Electronic Injury Surveillance System (NEISS) to evaluate eye injuries to adults and children for shorter time periods, but these studies did not perform extensive analyses of the majority of NEISS variables, determine injury trends over time, calculate the magnitude of associations between independent and dependent variables, or evaluate mechanisms of injury as was done in our study.…”

Section: Introductionmentioning

confidence: 99%

Pediatric Eye Injuries Treated in US Emergency Departments, 1990-2009

Pollard

Xiang

Smith

2011

Clin Pediatr (Phila)

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This study investigates activity- and consumer product-related eye injuries treated in US hospital emergency departments among children <18 years old using National Electronic Injury Surveillance System data from 1990 through 2009. An estimated 1,406,200 (95% confidence interval = 1,223,409-1,588,992) activity- and consumer product-related pediatric eye injuries occurred during the study period, averaging 70,310 annually. The annual number of injuries declined significantly by 17%. Patients ≤ 4 years of age accounted for 32% of all injuries and had the highest mean annual eye injury rate (11.31 per 10,000 population). Eye injuries associated with sports and recreation (24%) and chemicals (17%) occurred most frequently. The majority (69%) of eye injuries occurred at home. Opportunities exist to further decrease these injuries. Pediatricians should educate child caregivers and children about risks for eye injuries in the home and about use of appropriate protective eyewear during sports.

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Section: Introductionmentioning

confidence: 99%

Pediatric Eye Injuries Treated in US Emergency Departments, 1990-2009

Pollard

Xiang

Smith

2011

Clin Pediatr (Phila)

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“…The thumb is critical to hand function, and complete loss (amputation) of the thumb represents a 40% loss of hand function according to impairment rating conventions [1]. Adequate first web space is significant for the function of thumb.…”

Section: Introductionmentioning

confidence: 99%

Reconstruction of the First Web Space Using the Wide-Second Dorsal Metacarpal Artery Perforator Flap

Choi¹,

Cheon²,

Woo³

2021

Arch Hand Microsurg

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Purpose: This study evaluated the functional and aesthetic outcomes of a wide-second dorsal metacarpal artery perforator flap for reconstruction of the first web space of the hand. This flap sets the proximal edge of the extensor retinaculum as the distal limit.Methods: We measured the preoperative and postoperative angles of the first web space and assessed the quality of the donor site scar in eight patients.Results: The average flap size was 5.5 × 2.8 cm (range, 5.0 × 1.5 cm to 5.0 × 6.0 cm), and all flaps survived completely. The mean postoperative angle was 53°. The mean Vancouver Scar Scale score of the donor site was 4 points, and the patients had near-normal thickness and vascularity values. There was no distortion of the scar, and patients were satisfied with the scar appearance of the donor site.Conclusion: The wide-second dorsal metacarpal artery perforator flap is a useful technique to reconstruct large defects of the first web space. It is easy to raise, thin, and pliable, and has excellent color and tissue matching.

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“…For example, loss of both the index and middle fingers results in 40%, 36%, and 22% impairments of the hand, upper extremity, and whole body, respectively. 4 Partial hand deficiencies also account for approximately 46.4% of total congenital upper limb deficiencies. 5 Amputation can cause physical, psychosocial, and economic damage to an individual and can lead to depression, anxiety, loss of self-esteem, and social isolation.…”

Section: Introductionmentioning

confidence: 99%

“…9 While the number of individuals with partial hand amputation is 10 times greater than that of all other categories of upper limb amputation combined, the prosthetic options for this patient population are relatively poor. 4,5 Prosthetic solutions for partial hand amputations are generally considered only after reconstructive surgical procedures have failed. 10 Individuals with partial hand loss can be fit with either passive silicone cosmeses, passive mechanical devices, body-powered devices, or externally powered devices.…”

Section: Introductionmentioning

confidence: 99%

Design and evaluation of a distally actuated powered finger prosthesis with self-contained transmission for individuals with partial hand loss

Murali

Huddle

Weir

2019

Advances in Mechanical Engineering

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Partial hand loss accounts for the overwhelming majority of upper limb deficiencies. Despite this, individuals with partial hand loss have a limited number of prosthetic options at their disposal. Existing externally powered devices typically house both motor and gear transmission in the proximal phalanx, which provides function at the expense of anthropomorphism. We present a novel design for an externally powered finger prosthesis with a custom gear transmission that is capable of higher intermittent torques compared to commercial gearheads of equivalent volume. We manufacture a fully functional transmission using a high-strength maraging steel alloy and direct laser metal sintering. The transmission consists of multiple planetary and spur gear stages arranged in a stackable (or laminar) configuration and accommodates joint movement at the proximal interphalangeal joint. The powered finger is equivalent in size to a 50th percentile female index finger and is capable of generating pinch forces comparable to those of commercial powered fingers at flexion speeds that exceed those of existing devices. While there are several practical and functional improvements for future iterations, our design represents a viable option for a powered finger capable of accommodating a wide range of individuals with partial hand loss.

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AMA Guides to the Evaluation of Permanent Impairment, 6th Edition

Cited by 130 publications

References 0 publications

Pediatric Eye Injuries Treated in US Emergency Departments, 1990-2009

Pediatric Eye Injuries Treated in US Emergency Departments, 1990-2009

Reconstruction of the First Web Space Using the Wide-Second Dorsal Metacarpal Artery Perforator Flap

Design and evaluation of a distally actuated powered finger prosthesis with self-contained transmission for individuals with partial hand loss

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