Phantom pain after eye amputation. 2011

Marie L R Rasmussen, and Jan U Prause, and Peter B Toft
Department of Neuroscience and Pharmacology, University of Copenhagen, Denmark. dr.roed@gmail.com

OBJECTIVE To characterize the quality of phantom pain, its intensity and frequency following eye amputation. Possible triggers and relievers of phantom pain are investigated. METHODS The hospital database was searched using surgery codes for patients who received ocular evisceration, enucleation, orbital exenteration or secondary implantation of an orbital implant in the period between 1993 and 2003. A total of 267 patients were identified and invited to participate; of these, 173 agreed to participate. These patients' medical records were reviewed. A structured interview focusing on pain was conducted by a trained interviewer. RESULTS Of the 173 patients in the study, 39 experienced phantom pain. The median age of patients who had experienced phantom pain was 45 years (range: 19-88). Follow-up time from eye amputation to participation in the investigation was 4 years (range: 2-46). Phantom pain was reported to be of three different qualities: (i) cutting, penetrating, gnawing or oppressive (n = 19); (ii) radiating, zapping or shooting (n = 8); (iii) superficial burning or stinging (n = 5); or a mixture of these different pain qualities (n = 7). The median intensity on a visual analogue scale, ranging from 0 to 100, was 36 (range: 1-89). One-third of the patients experienced phantom pain every day. Chilliness, windy weather and psychological stress/fatigue were the most commonly reported triggers for pain. CONCLUSIONS Phantom pain after eye amputation is relatively common. The pain appears to be similar to the phantom pain suffered by limb amputees. Patients should be informed about this potential complication before surgery.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010591 Phantom Limb Perception of painful and nonpainful phantom sensations that occur following the complete or partial loss of a limb. The majority of individuals with an amputated extremity will experience the impression that the limb is still present, and in many cases, painful. (From Neurol Clin 1998 Nov;16(4):919-36; Brain 1998 Sep;121(Pt 9):1603-30) Pseudomelia,Phantom Limb Pain,Phantom Pain,Phantom Sensation,Limb Pain, Phantom,Limb Pains, Phantom,Limb, Phantom,Limbs, Phantom,Pain, Phantom,Pain, Phantom Limb,Pains, Phantom,Pains, Phantom Limb,Phantom Limb Pains,Phantom Limbs,Phantom Pains,Phantom Sensations,Pseudomelias,Sensation, Phantom,Sensations, Phantom
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000369 Aged, 80 and over Persons 80 years of age and older. Oldest Old
D015353 Eye Enucleation The surgical removal of the eyeball leaving the eye muscles and remaining orbital contents intact. Enucleation Surgery,Enucleation Technique,Enucleation Surgeries,Enucleation Techniques,Enucleation, Eye,Eye Enucleations,Surgery, Enucleation

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