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Improvements in preventive care and communication for deaf patients: results of a novel primary health care program.

OBJECTIVE: To test the hypothesis that profoundly deaf persons would have better preventive care compliance and improved physician communication if enrolled in a primary care program providing American Sign Language (ASL) interpreters. DESIGN: A case-cohort community-based study. The authors had ASL-fluent research assistants interview 90 randomly selected patients (the cases) enrolled in a unique primary care program for the deaf (Deaf Services Program), which provided full-time ASL interpreters and subsidized health care costs for some patients. Eighty-five deaf controls were friends of the cases drawn from the community. RESULTS: The cases were poorer and less often married than were the controls, but other baseline characteristics were similar. The cases were more likely (p < 0.05) to report receiving within the preceding three years Pap tests (90% vs 72%), mammography (86% vs 53%), and rectal examinations (72% vs 25%), but not breast examinations (76% vs 71%, p = 0.7). The cases were more likely than the controls to report receiving counseling in ASL for psychiatric and substance abuse problems (49% vs 5%, p < 0.001). Although only 18% of the controls were fluent in written English, 67% of them used written notes to communicate with their physicians. Twenty percent of the controls used ASL interpreters compared with 84% of the cases (p < 0.001). More cases than controls were moderately or extremely satisfied with communication with their physicians (92% vs 42%, p < 0.001). CONCLUSION: Deaf persons enrolled in a primary care program that included full-time interpreters were more likely to use ASL, were more satisfied with physician communications, and had improved preventive care outcomes.

Adult↗

A new concept in blepharoplasty.

Apart from what may be considered complications, the intervention of any aesthetic surgery can have undesired effects (scar sequelae, normal regional dynamic disorders, edema, iatrogenic acceleration of the aging process in the area). The orbital region is particularly sensitive to these undesirable effects due to its situation and the importance of the eyelids in facial sign language. The sum of these undesirable effects and not infrequent complications often place the plastic surgeon in a compromising situation. It is for this reason that in recent years we have made a special effort to analyze causes, to design new techniques, and to evaluate the combination of different techniques in an attempt to minimize these undesirable effects, so as to be able to offer patients more natural and safer results. It is with this intention that this paper records some anatomical and functional details of the eyelids, analyzes the physiology of the aging process, and examines some classic and modern techniques.

Eyelids↗

Sexual abuse of deaf children. A retrospective analysis of the prevalence and characteristics of childhood sexual abuse among deaf adults in Norway.

OBJECTIVE: North American studies conclude that deaf children may have a 2-3 times greater risk of sexual abuse than hearing children. No comparative studies are available in the Nordic countries. The present study was initiated to estimate the prevalence of childhood sexual abuse among deaf children in Norway, describe the nature of the abuse, and to examine risk factors. METHOD: A self-administered questionnaire was sent in 1999 to all 1150 adult deaf members of the Norwegian Deaf Register. The Deaf Register includes all deaf Norwegians. The questionnaire, which was also available videotaped in sign language, was an adapted version of a questionnaire used in a Norwegian survey among the general adult population in 1993. The results from this earlier study were used as a comparison group. RESULTS: Deaf females aged 18-65 who lost their hearing before the age of 9 (N = 177) reported sexual abuse with contact before the age of 18 years more than twice as often as hearing females, and deaf males more than three times as often as hearing males. The abuse of the deaf children was also more serious. Very few cases were reported to parents, teachers, or authorities. CONCLUSIONS: Deaf children are at greater risk of sexual abuse than hearing children. The special schools for the deaf represent an extra risk of abuse, regardless of whether the deaf pupils live at home or in boarding schools.

Adolescent↗

Speech perception of children using Nucleus, Clarion or Med-El cochlear implants.

OBJECTIVE: The purpose of this study was to present speech perception achievements of implanted children using commercially available cochlear implant devices: Nucleus, Clarion or Med-El. STUDY DESIGN: A retrospective analysis. METHODS: Speech perception data of 96 hearing-impaired children: 27 with Clarion, 49 with Nucleus and 20 with Med-El were collected. Speech tests included the Hebrew Infant Toddlers Meaningful Auditory Integration Scale (HIT-MAIS) for the infants, the Hebrew Early Speech Perception (HESP) closed-set word-identification test and Hebrew Arthur Boothroyd (HAB) open-set one-syllable word recognition test were used for the older children. RESULTS: I HIT-MAIS: (1) Infants showed similar rate of progress, regardless of device. (2) Children implanted under two years of age reached performance within normal development on this test. II HAB: (1) Most children achieved open set results with mean HAB between 40 and 50%, within 1-1.5 years post implantation. (2) Linear regression analyses revealed no statistical differences between the Clarion the Nucleus and the Med-El devices on the mean final measurement of this test. (3) Age of implantation and mode of communication were significant covariate variables: (a) the younger the child is implanted the better the results and (b) oral communication prior to implantation results in better performance than sign language. CONCLUSIONS: There are no apparent differences in speech perception performance between implant devices when considering background variables. The data have important implications on the rehabilitation process of hearing impaired children with cochlear implants in relation to device selection, age at implantation and mode of communication prior to implantation.

Adolescent↗

Evidence that vestibular hypofunction affects reading acuity in children.

OBJECTIVE: Despite reported gaze stability deficits in children with hearing impairment and concurrent vestibular hypofunction, the reading difficulties reported in this population have not been linked to the gaze instability. The purpose of this study was to develop a modified version of the MNREAD chart that enabled responses orally or using sign language. METHODS: Seventy-two typically developing children and 14 children with sensorineural hearing loss with and without vestibular hypofunction participated. We examined: (1) reliability and age related changes in reading acuity scores, (2) the effect of vestibular hypofunction on reading acuity scores, and (3) the relationship between these scores and a test of dynamic visual acuity. RESULTS: The test was reliable (ICC (3,2)>or=0.86). Reading acuity scores were significantly worse in children with vestibular hypofunction (p<or=0.002). Furthermore, reading acuity scores correlated with dynamic not static visual acuity scores (r=0.55, p<0.001). CONCLUSIONS: These results imply that the gaze instability due to vestibular hypofunction affects reading ability in young children.

Adult↗

Intelligibility of speech produced during simultaneous communication.

UNLABELLED: This study investigated the overall intelligibility of speech produced during simultaneous communication (SC). Four hearing, experienced sign language users were recorded under SC and speech alone (SA) conditions speaking Boothroyd's (1985) forced-choice phonetic contrast material designed for measurement of speech intelligibility. Twelve hearing-impaired listeners participated, with three of them randomly assigned to audit the speech sample provided by each one of the four speakers under the SC and SA conditions. Although results indicated longer sentence durations for SC than SA, results showed no difference in the overall intelligibility of speech produced during SC versus speech produced during SA, nor any difference in pattern of phonetic contrast recognition errors during SC. This conclusion is consistent with previous research indicating that temporal alterations produced by SC do not produce degradation of temporal or spectral cues in speech or disruption of the perception of specific English phoneme segments. LEARNING OUTCOMES: As a result of this activity, the participant will be able to (1) describe simultaneous communication; (2) explain the role of simultaneous communication in communication with children who are deaf; (3) discuss methods of measuring speech intelligibility; and (4) specify the ability of listeners to perceive speech produced during simultaneous communication.

Communication↗

Effect of syllable-initial voicing on vowel duration during simultaneous communication.

UNLABELLED: Vowel durations following the production of voiced and voiceless stop consonants produced during simultaneous communication (SC) were investigated by recording sign language users during SC and speech alone (SA). Under natural speaking conditions, or speaking alone (SA), vowels following voiced stop consonants are longer in duration than vowels following voiceless stops. Although the results indicated longer sentence durations for SC than SA, they showed no differences in the relative duration of vowels following voiced or voiceless stops. Vowel durations following voiced stop consonants were consistently longer than vowel durations following voiceless stops. This finding is consistent with previous research indicating that global temporal alterations in SC do not degrade temporal or spectral cues of spoken English. LEARNING OUTCOMES: As a result of this activity, the participant will be able to (1) describe simultaneous communication; (2) explain the role of simultaneous communication in communication with persons who are hearing-impaired; (3) describe how the voicing characteristic of syllable-initial consonants affects the duration of subsequent vowels; and (4) explain that simultaneous communication does not influence the relative durations of vowels following voiced and voiceless stop consonants.

Female↗

Automated external defibrillation by untrained deaf lay rescuers.

INTRODUCTION: The use of automated external defibrillators (AEDs) by lay rescuers can reduce the time to defibrillation, improving survival after out-of-hospital cardiac arrest. However, some people have hearing defects that can prevent them from understanding the AED verbal prompts. Moreover, even rescuers with normal hearing function may not easily understand the AED verbal prompts when operating in a noisy environment. This study was designed to assess the capability of rescuers to defibrillate effectively using an AED which included visual prompts. METHODS AND RESULTS: Nine deaf employees with no previous experience in basic life support (BLS) or defibrillation were asked to defibrillate a manikin following the text prompts of a Heartstart FR2+ AED. Subjects were tested before and after a 6 h BLS-AED course carried out with the help of a sign language interpreter. Before training, seven out of nine deaf subjects (78%) were able to defibrillate, eight out of nine subjects (89%) placed the pads correctly, and the mean time to defibrillation was 101.3 +/- 28.4 s. After the course, all subjects were able to complete the defibrillation sequence and place the pads correctly. The mean post-course time to defibrillation was 47.8 +/- 5.4 s (P < 0.001). None of the nine subjects touched the manikin during charging of the defibrillator and shock delivery before or after the course. CONCLUSIONS: This study demonstrates that untrained deaf rescuers can use AEDs appropriately providing that the defibrillator has visual instructions. Training improves defibrillator use and reduces time to defibrillation.

Cardiopulmonary Resuscitation↗

Cardiovascular disease knowledge among culturally Deaf patients in Chicago.

BACKGROUND: Deaf persons experience communication barriers that may impact on their knowledge of cardiovascular disease (CVD); however, data measuring this deficit are limited. A comprehensive health survey of Deaf adults included questions on CVD knowledge. METHODS: Between November 2002 and March 2003, 203 Deaf adults participated in the survey, which was conducted via face-to-face interviews in American Sign Language. Questions assessed knowledge of heart attack and stroke symptoms, risk factors, and emergency response. RESULTS: Forty percent of respondents could not list any symptoms of a heart attack, while over 60% could not list any symptoms of a stroke. Less than half of respondents identified chest pain/pressure as a symptom of a heart attack. Only 61% reported that they would call 911 in response to cardiovascular disease symptoms. The median number of risk factors correctly identified by respondents was 3 of 6. CONCLUSIONS: Knowledge of cardiovascular disease among Deaf respondents is low, and considerably lower than that of the general hearing population. The need to develop health education materials and programs for Deaf individuals is evident. Health care providers should be educated on Deaf culture and barriers in communication. Finally, efforts need to be made to assure that 911 is deaf-accessible.

Adult↗

Sentence intonation and syllable stress in speech produced during simultaneous communication.

This study investigated prosodic variables of syllable stress and intonation contours in contextual speech produced during simultaneous communication (SC). Ten normal-hearing, experienced sign language users were recorded under SC and speech only (SO) conditions speaking a set of sentences containing stressed versus unstressed versions of the same syllables and a set of sentences containing interrogative versus declarative versions of the same words. Results indicated longer sentence durations for SC than SO for all speech materials. Vowel duration and fundamental frequency differences between stressed and unstressed syllables as well as intonation contour differences between declarative and interrogative sentences were essentially the same in both SC and SO conditions. The conclusion that prosodic rules were not violated in SC is consistent with previous research indicating that temporal alterations produced by simultaneous communication do not involve violations of other temporal rules of English speech.

Communication↗

Preservation of second formant transitions during simultaneous communication: a locus equation perspective.

UNLABELLED: This study investigated the preservation of second formant transition acoustic cues to intelligibility in speech produced during simultaneous communication (SC) from a locus equation perspective. Twelve normal hearing, experienced sign language users were recorded under SC and speech alone (SA) conditions speaking a set of sentences containing monosyllabic words designed for measurement of second formant frequencies in consonant-vowel-consonant (CVC) syllables. Linear regression fits made to coordinates representing second formant transition onset and offset frequencies following stop consonant release of CVC syllables (locus equations) were used to examine place of articulation cues in both SA and SC conditions. Although results indicated longer sentence durations for SC than SA, locus equation slopes and intercepts obtained from speech produced during SC were virtually identical to those obtained during SA, indicating no degradation of stop consonant acoustic cues during SC. This conclusion is consistent with previous research indicating that temporal alterations produced by SC do not involve violations of other rules of spoken English. EDUCATIONAL OBJECTIVES: As a result of this activity, the participant will be able to (1) describe SC; (2) explain the role of SC in communication with children who are deaf; (3) describe second formant transitions in English speech; and (4) identify second formant transition patterns in speech produced during SC.

Adult↗

Effect of vowel environment on fricative consonant duration in speech produced during simultaneous communication.

This study investigated the effect of vowel environment on fricative consonant duration in contextual speech produced during simultaneous communication (SC). Previous studies (Schwartz, 1969) of vowel influences on consonant duration supported the notion of anticipatory scanning, in which final vowel targets influence the duration of preceding fricative consonants. Ten normal-hearing, experienced sign language users recorded palatal and alveolar fricatives produced in four vowel environments in contextual sentences under SC and speech-only (SO) conditions. Results indicated longer sentence durations for SC than for SO, and significant effects of vowel context on fricative consonant duration in contextual speech in both SC and SO conditions that revealed similar anticipatory scanning effects as seen in previous studies. These data confirm previous research indicating that the temporal alterations produced by simultaneous communication do not involve violations of the temporal rules of English speech.

Adult↗

Psychomotor development in 65 home-reared children with cri-du-chat syndrome.

The psychomotor development of 65 noninstitutionalized individuals with cri-du-chat syndrome was examined through parental questionnaire responses and supporting medical records. Social quotients determined by a Vineland Maturity Scale ranged from 6 to 85, the ages at which developmental milestones were attained varied from the upper limits of normal to six years delayed. Achievement levels were influenced favorably by the early introduction of special education, and were affected adversely by the presence of an unbalanced translocation. This study suggests that many children with cri-du-chat syndrome can attain developmental and social skills normally seen in 5- to 6-year-old children, although their linguistic abilities are seldom as advanced. Contrary to the commonly portrayed clinical picture of severe mental retardation and bedridden debilitation, the older home-reared cri-du-chat child was usually ambulatory, had a moderate degree of independence in self-care skills, and was able to communicate either verbally or through gestural sign language. Physicians and parents should be aware of the full range of psychomotor potential of the child with cri-du-chat syndrome in order to make informed decisions concerning institutional placement.

Achievement↗

A survey of the accessibility of chiropractic clinics to the disabled.

OBJECTIVE: To determine to what degree chiropractic clinics are complying with the Americans with Disabilities Act (ADA), which mandates that health care clinics be accessible to the disabled. METHODS: A survey was developed and mailed to 200 chiropractic clinics in Orange and Los Angeles counties. The survey asked about the essential necessities for health care clinics to be accessible to the wheelchair-bound, the blind, and the deaf. It also sought to discover how many disabled patients these clinics were treating and the attitudes of practitioners and staff toward this population. RESULTS: The response rate was 50.5%. Accessibility for the wheelchair-bound was high. Accessibility for the blind was limited by a lack of Braille signs. Accessibility to the deaf was limited by lack of telecommunications device for the deaf or use of sign language interpreters. Most clinics were treating few or no disabled patients and did not perceive a need to become more accessible. CONCLUSION: There appears to be poor compliance with the ADA in chiropractic clinics in Los Angeles and Orange counties. Although data are lacking, it appears likely that the disabled population is being underserved by the chiropractic profession. Education for chiropractors on the rights and needs of the disabled population is necessary to give this group equal access to chiropractic health care.

Attitude of Health Personnel↗

A method to break the cognitive barrier between a deaf child and a hearing parent.

A deaf child actively uses about 1000 concepts in common with the hearing world. The rest of his up to 10,000 concepts belong to sign language and cannot be accurately translated into written language. This makes it difficult for the deaf to understand a normal written text, especially its abstractions. We have developed a new communication system in order to break the barrier between the hearing and the deaf. In this system a deaf child speaks with a writing hand-piece terminal through an FM route to a small unlimited text-to-speech synthesizer carried by the parent. The parent answers similarly to a 48-grapheme alphanumerical display carried by the child on a rack in front of him. The parent's unit with a speech synthesizer weighs about 2 kg and its size is about 7 X 20 X 25 cm; the size of the child's unit is one half of that and it weighs, with the display, 2 kg. Even a 4-year-old child carries the apparatus easily; nevertheless a still lighter unit is under construction. The system takes the learning process to everyday situations and makes it possible for a deaf child to converse in the normal written and spoken language. Thus, his concept capacity in the spoken language can be increased.

Adult↗

Facial affect recognition in pre-lingually deaf people with schizophrenia.

The present study examined facial affect recognition in pre-lingually deaf individuals with schizophrenia. Affective facial-labeling task and the control task of face feature processing (the Benton facial recognition test) were performed by deaf subjects with schizophrenia using French sign language (FSL), hearing subjects with schizophrenia, and hearing healthy controls. Deaf subjects with schizophrenia performed more poorly than hearing clinical controls with schizophrenia or healthy controls on the affective facial-labeling task. No differences were found on the control task between deaf subjects with schizophrenia and hearing clinical or healthy controls. The results showed that facial affect recognition and face feature processing were differently impaired in pre-lingually deaf individuals with schizophrenia, suggesting that neurocognitive backgrounds of impaired affective facial processing may be distinct from those of general impairment in face processing.

Adult↗

The morphometry of auditory cortex in the congenitally deaf measured using MRI.

The study of congenitally deaf individuals provides a unique opportunity to understand the organization and potential for reorganization of human auditory cortex. We used magnetic resonance imaging (MRI) to examine the structural organization of two auditory cortical regions, Heschl's gyrus (HG) and the planum temporale (PT), in deaf and hearing subjects. The results show preservation of cortical volume in HG and PT of deaf subjects deprived of auditory input since birth. Measurements of grey and white matter, as well as the location and extent of these regions in the deaf showed complete overlap both with matched controls and with previous samples of hearing subjects. The results of the manual volume measures were supported by findings from voxel-based morphometry analyses that showed increased grey-matter density in the left motor hand area of the deaf, but no differences between the groups in any auditory cortical region. This increased cortical density in motor cortex may be related to more active use of the dominant hand in signed languages. Most importantly, expected interhemispheric asymmetries in HG and PT thought to be related to auditory language processing were preserved in these deaf subjects. These findings suggest a strong genetic component in the development and maintenance of auditory cortical asymmetries that does not depend on auditory language experience. Preservation of cortical volume in the deaf suggests plasticity in the input and output of auditory cortex that could include language-specific or more general-purpose information from other sensory modalities.

Adult↗