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עמוד בית
Sat, 25.05.24

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January 2024
Mattan Arazi MD, Michael Lemanski MA, Michael Belkin MD, Daphna Landau-Prat MD

Background: Meibomian gland dysfunction (MGD) causes significant patient morbidity as well as economic burden.

Objectives: To evaluate a novel eyelid warming and a neuro-stimulating device that delivers heat via low-level infrared radiation to the eyelids of patients with MGD.

Methods: In this prospective interventional study, patients with MGD were recruited at a single medical center. The main outcome measures included changes in tear break-up time (TBUT), Schirmer’s test, and Ocular Surface Disease Index (OSDI), overall satisfaction, and corneal signs of dry eye. Patients were instructed to use the device twice daily for 5 minutes on each eye for a total of 14 days. Follow-up assessments were performed after the 2-week treatment.

Results: A total of 10 patients were included; mean age was 67 ± 16 years; six males (60%). Changes in pre- vs. post-treatment TBUT (5.0–6.11), OSDI (28.1–23.9), and Schirmer score (8.67–7.11) were not statistically significant. Over a course of 243 treatments, 131 (54%) demonstrated improvement in symptoms, 40% found no change, and 6% experienced worsening of symptoms. General satisfaction was observed overall in 80% of the patients. No adverse events were observed.

Conclusions: In this first study of a novel eyelid warming device, overall subjective satisfaction was reported in 80% of patients. Potential advantages of this user-friendly device include its ability to improve MGD and tear film stability, as well as symptomatic relief, while allowing the user to continue with normal daily functioning while undergoing treatment.

August 2022
Daphna Landau Prat MD, Shira Sandbank MD, Tal Davidy MD, Ofira Zloto MD, and Guy J. Ben Simon MD

Background: Upper eyelid blepharoplasty surgery is one of the most common plastic surgeries. Khat is used topically to reduce tissue edema.

Objectives: To evaluate the effect of topical khat administration after eyelid surgery on postoperative healing.

Methods: Our prospective comparative study included 24 patients who underwent upper eyelid blepharoplasty or ptosis surgery between 2019 and 2020. Patients were randomly assigned to 48 hours of cold dressing with frozen khat leaves and frozen peas dressing (common practice). Postoperative photographs of the eyes were evaluated for the degree of ecchymosis and edema on postoperative days (PODs) 1, 3, and 7 by three blinded observers. Measures included tissue swelling and hemorrhage on PODs 1, 3, and 7.

Results: The mean age of the cohort was 67 ± 7 years; 17 females (71%). Khat application was associated with lower postoperative ecchymosis at each time point. Females had lower levels of postoperative ecchymosis on POD 7 (P = 0.07). Eyelid edema was more pronounced in the khat group on PODs 1 and 3, but this was reversed on POD 7. There was good agreement among all three observers in grading ecchymosis and edema (P < 0.001).

Conclusions: The use of khat was associated with less tissue ecchymosis after oculoplastic surgery, although this was not statistically significant even following sub-population analysis. The outcome can be attributed to the active ingredients of cathinone and cathine, which cause vasoconstriction and lipolysis, and to the anti-inflammatory and anti-oxidative flavonoids and phenolic compounds. These encouraging preliminary findings warrant additional studies on a biochemical/cellular level.

February 2016
Mohamed Atamney MD, Dan Gutman MD, Eyal Fenig MD, Haim Gutman MD and Inbal Avisar MD
July 2015
Smadar Eventov-Friedman MD PhD, Ayala Frumkin PhD, Benjamin Bar-Oz MD and Annick Raas-Rothschild MD
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