LOW-FREQUENCY VIBRATION EMITTED FROM UNSTABLE HIP IN HUMAN NEONATE

George Kernohan, B TRAINOR, G NUGENT, P WALKER, M TIMONEY, R MOLLAN

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Developmental dysplasia of the hip (DDH) continues to be an orthopedic enigma. Some authors still believe it is a purely birth phenomenon. Even with widespread birth screening, however, DDH continues to become evident later than three months of age, long after a satisfactory outcome can be guaranteed. In an effort to reduce the number of late manifestations, the authors have developed a noninvasive form of screening for DDH called vibration arthrometry. Five hundred neonates were examined in local maternity hospitals, according to the guidelines of Ortolani and Barlow. The new method involves the attachment of miniature accelerometers around the infant's pelvis. Using this method, it was possible to elicit vibration events from approximately one fourth (255 hips) of the hips tested; vibrations were recorded from normal hips (125), from `'clicky'' hips (128), and from unstable hips (two). Differences between `'nil-felt'' (clinically silent) and `'click-felt'' (palpable clicking on testing) were significant. Vibration testing can be seen as an aid in the manual palpation necessary to detect this crippling condition.
LanguageEnglish
Pages214-218
JournalClinical Orthopaedics and Related Research
VolumeNONE
Issue number288
Publication statusPublished - Mar 1993

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Vibration
Hip
Hip Dislocation
Newborn Infant
Parturition
Maternity Hospitals
Palpation
Pelvis
Orthopedics
Guidelines

Cite this

Kernohan, G., TRAINOR, B., NUGENT, G., WALKER, P., TIMONEY, M., & MOLLAN, R. (1993). LOW-FREQUENCY VIBRATION EMITTED FROM UNSTABLE HIP IN HUMAN NEONATE. Clinical Orthopaedics and Related Research, NONE(288), 214-218.
Kernohan, George ; TRAINOR, B ; NUGENT, G ; WALKER, P ; TIMONEY, M ; MOLLAN, R. / LOW-FREQUENCY VIBRATION EMITTED FROM UNSTABLE HIP IN HUMAN NEONATE. In: Clinical Orthopaedics and Related Research. 1993 ; Vol. NONE, No. 288. pp. 214-218.
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Kernohan, G, TRAINOR, B, NUGENT, G, WALKER, P, TIMONEY, M & MOLLAN, R 1993, 'LOW-FREQUENCY VIBRATION EMITTED FROM UNSTABLE HIP IN HUMAN NEONATE', Clinical Orthopaedics and Related Research, vol. NONE, no. 288, pp. 214-218.

LOW-FREQUENCY VIBRATION EMITTED FROM UNSTABLE HIP IN HUMAN NEONATE. / Kernohan, George; TRAINOR, B; NUGENT, G; WALKER, P; TIMONEY, M; MOLLAN, R.

In: Clinical Orthopaedics and Related Research, Vol. NONE, No. 288, 03.1993, p. 214-218.

Research output: Contribution to journalArticle

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Kernohan G, TRAINOR B, NUGENT G, WALKER P, TIMONEY M, MOLLAN R. LOW-FREQUENCY VIBRATION EMITTED FROM UNSTABLE HIP IN HUMAN NEONATE. Clinical Orthopaedics and Related Research. 1993 Mar;NONE(288):214-218.