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10.08.2019 | Cornea

Postoperative pain following Descemet membrane endothelial keratoplasty (DMEK): a prospective study

Zeitschrift:
Graefe's Archive for Clinical and Experimental Ophthalmology
Autoren:
Johannes Loeser, Julian Schwemmer, Antoniu-Oreste Gostian, Magdalena Gostian, Björn Bachmann, Claus Cursiefen, Ludwig M. Heindl
Wichtige Hinweise
Johannes Loeser and Julian Schwemmer contributed equally and both should be considered equal first authors.

Publisher’s note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Abstract

Purpose

To evaluate postoperative pain following Descemet membrane endothelial keratoplasty (DMEK).

Methods

Seventy-one patients completed perioperatively (day before surgery, day of surgery, 1st, 2nd, and 3rd day after surgery) four different questionnaires (a hospital internal protocol, QUIPS, PainDETECT®, and SF36) regarding their pain and other clinical parameters such as constipation, tiredness, vertigo, sleep disorders, concentration disorders, nausea, and emesis. All standardised questionnaires were evaluated to quantify average pain intensity as well as maximum pain intensity (NRS, 0 [no pain] to 10 [maximal pain], respectively). Analgesic treatment and intraocular pressure (IOP) during the perioperative stay were documented.

Results

Mean average pain intensity was 0.70 ± 1.64 before surgery, 1.97 ± 2.05 on the day of surgery, 1.39 ± 1.68 on day 1, 0.87 ± 1.36 on day 2, and 0.81 ± 1.24 on day 3 after surgery. Maximum pain intensity was 0.65 ± 1.81 before surgery, 3.35 ± 2.98 on the day of surgery, 2.68 ± 2.99 on day 1, 1.49 ± 2.15 on day 2, and 1.26 ± 2.02 on day 3 after surgery. During the first three postoperative days, over 90% of the patients stated no or well tolerable pain. Eighty-three percent had postoperatively no need for analgesics at all. On the first two postoperative days, maximum IOP correlated significantly with reported increased maximum pain intensity (p = 0.043 and p = 0.029, respectively). All patients had very little problems with constipation, tiredness, vertigo, sleep disorder, concentration disorders, nausea, and emesis.

Conclusions

DMEK is associated with low postoperative pain intensity. Strong pain increase may indicate IOP elevation and should be further investigated and treated.

Clinical trial registration

German Clinical Trial Register (DRKS00013995)

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Literatur
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