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Antiplatelets and anticoagulants in glaucoma surgery and laser
Hemlata Udenia1, Sushmita Bairagi2, Dewang Angmo3
1Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India.
Insights
Patients on anticoagulant medications require careful management before glaucoma surgery. Current evidence is inconclusive on whether to continue or stop these blood-thinning drugs, necessitating consultation with multiple specialists.
Area of Science:
- Ophthalmology
- Cardiology
- Pharmacology
Background:
- Cardiovascular diseases are increasing, leading to more patients using anticoagulant medications.
- Anticoagulants are crucial for managing comorbidities but pose bleeding risks during ophthalmic surgery.
- Practices vary significantly regarding anticoagulant use before glaucoma surgery, unlike cataract surgery.
Purpose of the Study:
- To explore the current understanding and practices surrounding anticoagulant medication management before glaucoma surgery.
- To highlight the lack of conclusive evidence regarding the optimal approach to anticoagulation in glaucoma surgery.
- To emphasize the need for careful consideration and multidisciplinary consultation when modifying anticoagulation therapy.
Main Methods:
- Review of current literature and clinical practices concerning anticoagulation and glaucoma surgery.
- Analysis of the risks and benefits of continuing or discontinuing anticoagulant therapy.
- Identification of the need for evidence-based guidelines.
Main Results:
- There is significant variability among surgeons regarding the management of anticoagulation before glaucoma surgery.
- Existing evidence is insufficient to guide decisions on continuing, withholding, or bridging anticoagulation therapy.
- Stopping anticoagulation poses risks of thrombotic events, while continuing increases hemorrhage risk.
Conclusions:
- Management of anticoagulation therapy for glaucoma surgery is complex and lacks clear guidelines.
- Decisions must be individualized, weighing bleeding risks against thrombotic risks.
- Close collaboration with primary care physicians, cardiologists, internists, and neurologists is essential.
Abstract:
With the increasing prevalence of cardiovascular diseases, it has become common for patients to be on different classes of anticoagulant medications. The blood-thinning characteristic of these drugs makes them essential for the management of long-term comorbidities, but it also raises the possibility of hemorrhagic complications during and after ophthalmic surgery. Although there is some agreement regarding the preoperative use of anticoagulant drugs in cataract surgery, little is known about the continuation or discontinuation of these drugs before surgeries for glaucoma. Regarding the use of anticoagulants before glaucoma surgery, surgeons' practices differ greatly. Anticoagulation therapy must be understood in the context of glaucoma surgery and laser treatment, as the evidence currently available is inconclusive regarding the benefits of continuing/withholding anticoagulation or using bridging therapy. Modifying anticoagulation therapy for glaucoma surgery must be done carefully and after consulting primary care physicians, internists, cardiologists, and neurologists due to the potential serious adverse effects of stopping the treatment.
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