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Bromelain and proteolytic enzymes: Postoperative edema vs bleeding concerns · Glaucoma, Vision & Longevity: Supplements & Science

• 0:00
  SPEAKER_00: Introduction Bromolane, serapeptase, and similar proteolytic, protein-digesting enzymes are natural supplements sometimes promoted to reduce surgical swelling and pain.
• 0:10
  SPEAKER_00: People often take them after operations, for example, dental extractions or soft tissue surgery, in hopes of speeding healing.
• 0:18
  SPEAKER_00: These enzymes indeed have anti-inflammatory effects and can ease pain.
• 0:23
  SPEAKER_00: However, they also can thin the blood or interfere with clotting.
• 0:27
  SPEAKER_00: That raises a particular concern after glaucoma filtration surgery, trabeculectomy, where a delicate filtering bleb must heal without bleeding.
• 0:36
  SPEAKER_00: In this article, we review the evidence on their benefits and risks for postoperative recovery, with a special focus on bleeding, hyphema, and bleb complications after trabeculectomy.
• 0:47
  SPEAKER_00: We will cover when and if it might be safer to start these supplements after surgery, which patients should avoid them, and how future studies could safely measure outcomes.
• 0:58
  SPEAKER_00: How bromalane and serapeptase work.
• 1:00
  SPEAKER_00: Bromolane is a mixture of enzymes from pineapple stems, anonascomosis.
• 1:05
  SPEAKER_00: Cerapeptase, ceraciopeptidase, is an enzyme from a bacterium found in silkworm intestines.
• 1:11
  SPEAKER_00: Both are proteolytic enzymes that break down proteins.
• 1:14
  SPEAKER_00: In the body, this gives them several effects.
• 1:17
  SPEAKER_00: They can reduce inflammation and edema, swelling, dissolve certain blood clots, and potentially prevent excessive scarring.
• 1:25
  SPEAKER_00: They are often taken orally as capsules, usually in an enteric coating, so they survive the stomach.
• 1:31
  SPEAKER_00: Studies show these enzymes are absorbed in the gut and remain active in the bloodstream for hours.
• 1:37
  SPEAKER_00: They help control inflammation by breaking down inflammatory mediators like bradykinin and serotonin, in the case of serapeptase.
• 1:46
  SPEAKER_00: Both enzymes have been used in some settings to aid wound healing, for example, topical bromolane for burn debridment and oral use in osteoarthritis and respiratory conditions.
• 1:57
  SPEAKER_00: Effects on swelling and pain.
• 1:59
  SPEAKER_00: The primary claimed benefit is reduced postoperative swelling and pain.
• 2:03
  SPEAKER_00: Some studies support mild benefits.
• 2:06
  SPEAKER_00: Bromolane clinical trials.
• 2:08
  SPEAKER_00: A systematic review of randomized trials after third molar extraction, wisdom tooth removal, found that bromolane improved patients' pain scores and overall quality of life in the week after surgery.
• 2:20
  SPEAKER_00: However, that same review found no significant reduction in facial swelling or jaw trismus from bromolane.
• 2:27
  SPEAKER_00: In other words, patients felt less pain but did not actually have noticeably less visible swelling after dental surgery.
• 2:34
  SPEAKER_00: Bromolane, other surgeries.
• 2:37
  SPEAKER_00: In a double-blind trial of women undergoing episiotomy, surgical cut at childbirth, six days of oral bromeline, given thrice daily, significantly reduced pain and speeds up wound healing compared to placebo.
• 2:49
  SPEAKER_00: By day 7 and 14 postpartum, the bromolane group showed better healing scores on the Rita scale and reported less pain.
• 2:58
  SPEAKER_00: In short, bromolane helped healing on a soft tissue surgical wound.
• 3:02
  SPEAKER_00: This suggests bromalane does not impair healing.
• 3:05
  SPEAKER_00: On the contrary, it appeared to help, possibly by reducing inflammation.
• 3:09
  SPEAKER_00: Serapeptase, jaw surgery.
• 3:12
  SPEAKER_00: Serapeptase has also shown some benefit for swelling after mouth surgery.
• 3:16
  SPEAKER_00: In a head-to-head trial of 100 patients, 100 removed wisdom teeth, those given cera peptase after surgery had significantly less facial swelling on days 2 to 5 after surgery compared with dexamethasone, a steroid.
• 3:30
  SPEAKER_00: Both arms saw improvement, but the steroid group had slightly faster effect.
• 3:34
  SPEAKER_00: In other words, cera peptase moderately reduced postoperative edema, though steroids were even more effective.
• 3:42
  SPEAKER_00: That study confirms serapeptase has real anti-edema action, just not as potent as strong steroids.
• 3:49
  SPEAKER_00: In summary, some evidence, mostly from dentistry/slash-oral surgery, suggests bromolane and serapeptase can ease pain and somewhat reduce swelling.
• 3:58
  SPEAKER_00: Their benefits seem modest compared to standard treatments, like steroids or NSAIDs, and not all studies agree.
• 4:05
  SPEAKER_00: For example, in the meta-analysis of dental extraction, bromolane reliability on swelling was weak.
• 4:11
  SPEAKER_00: But overall, patients do often report feeling better with these supplements.
• 4:15
  SPEAKER_00: Still, the evidence base consists of relatively small studies or poor quality trials, so conclusions are tentative.
• 4:24
  SPEAKER_00: Blood thinning effects and bleeding risk.
• 4:26
  SPEAKER_00: Crucially, bromelane and serapeptase affect blood clotting.
• 4:30
  SPEAKER_00: There is laboratory and clinical evidence they can thin the blood by inhibiting clot formation.
• 4:35
  SPEAKER_00: Platelet inhibition, bromelane.
• 4:37
  SPEAKER_00: In lab models, bromolane dramatically blocked platelets from clumping.
• 4:41
  SPEAKER_00: One in vitro study showed bromolane completely prevented thrombin-induced platelet aggregation.
• 4:47
  SPEAKER_00: Platelets did not clump together.
• 4:49
  SPEAKER_00: Bromolane also reduced platelets sticking to endothelial cells.
• 4:53
  SPEAKER_00: In rats given bromolane by mouth, 60 mg per kilogram, thrombus clot, formation in small vessels was significantly lower than control.
• 5:02
  SPEAKER_00: In short, bromolane has strong antiplatelet and anti-thrombotic activity in animal studies.
• 5:09
  SPEAKER_00: Fibrinolysis, cereptase.
• 5:12
  SPEAKER_00: Cerrapeptase strongly digests fibrin, a key clot protein.
• 5:15
  SPEAKER_00: A 2022 study measured cera peptase's fibrinolytic activity in vitro and found it can prevent blood coagulation at sufficient concentrations.
• 5:24
  SPEAKER_00: It could practically dissolve an entire clot at 300 U milliliters.
• 5:28
  SPEAKER_00: Cerapeptase achieved to 96.6% clot lysis in four hours.
• 5:33
  SPEAKER_00: This shows powerful clot dissolving potential, similar to natokinase or plasmin.
• 5:38
  SPEAKER_00: It broke down fibrin and kept blood from clotting in lab tubes.
• 5:42
  SPEAKER_00: Effects on clotting tests.
• 5:44
  SPEAKER_00: Clinical observations support these lab findings.
• 5:46
  SPEAKER_00: Bromolane has been reported to prolong clotting time, for example, APTT in humans.
• 5:52
  SPEAKER_00: One case report described a postpartum woman who drank pineapple juice, rich in bromolane, and developed secondary postpartum hemorrhage, excessive bleeding.
• 6:01
  SPEAKER_00: The authors noted bromolane's anti-thrombotic and fibrinolytic properties, and that it caused a dose-dependent prolongation of APTT.
• 6:10
  SPEAKER_00: The implication is that high bromaline intake can slow coagulation and worsen bleeding.
• 6:15
  SPEAKER_00: Interaction with drugs.
• 6:17
  SPEAKER_00: Some supplement interactions are known or theorized.
• 6:20
  SPEAKER_00: For example, bromolane is listed as having a moderate interaction with clopidogrel, a prescription antiplatelet, meaning together they can increase bleeding risk.
• 6:30
  SPEAKER_00: Likewise, health sources advise avoiding cereptase if taking aspirin, warfarin, or other blood thinners.
• 6:38
  SPEAKER_00: Taken together, these findings mean patients on anticoagulants or antiplatelets should avoid added proteolytic enzyme supplements as bleeding risk is higher.
• 6:48
  SPEAKER_00: Case reports of bleeding.
• 6:49
  SPEAKER_00: Aside from general effects, rare case reports illustrate the danger of bleeding with these enzymes.
• 6:55
  SPEAKER_00: A 2023 case report described secondary postpartum hemorrhage linked to pineapple juice consumption.
• 7:03
  SPEAKER_00: The paper explicitly warned that bromomlane has proteolytic and antithrombotic effects, causing measurable delays in clotting.
• 7:10
  SPEAKER_00: Another case report, 2021, involved a young woman with Beichetz disease who took cereptase chronically for thrombosis prophylaxis and leg swelling.
• 7:20
  SPEAKER_00: She developed widespread echimoses, bruises on her body.
• 7:24
  SPEAKER_00: The authors noted taking this proteolytic enzyme continuously to prevent thrombosis was likely responsible for her diffuse bleeding.
• 7:32
  SPEAKER_00: These individual cases show that in predisposed patients, proteolytic enzymes can tip the balance toward bleeding.
• 7:40
  SPEAKER_00: Of course, isolated reports cannot prove causation by themselves, but they do flag a real risk, especially when combined with other risk factors.
• 7:49
  SPEAKER_00: Bleeding concerns after trabeculectomy.
• 7:51
  SPEAKER_00: Trabeculectomy, glaucoma filter surgery, creates a small flap in the eye for fluid drainage, forming a raised area, bleb, under the conjunctiva.
• 8:00
  SPEAKER_00: This bleb must heal properly to control eye pressure.
• 8:04
  SPEAKER_00: Hyphema, blood in the front chamber, and bleb leaks are known glaucoma surgery complications.
• 8:10
  SPEAKER_00: Published series and studies report that after trabeculectomy, hyphema is relatively common.
• 8:16
  SPEAKER_00: One source notes about 8 to 11% of patients developed a hyphema after traculectomy in major glaucoma trials.
• 8:23
  SPEAKER_00: In one surgical survey, about 24% of eyes had some postoperative hypema.
• 8:28
  SPEAKER_00: Most hypemas after such surgery are small and clear blood on their own, often resolving without treatment.
• 8:35
  SPEAKER_00: Bleb leaks and hypotony.
• 8:37
  SPEAKER_00: Early bleb leaks can cause low eye pressure and fluid seepage.
• 8:41
  SPEAKER_00: In one survey, surgical wound leaks, sometimes called bleb leaks, occurred in about 17% of trabeculectomies.
• 8:48
  SPEAKER_00: Hypotony, very low pressure, then leads to other issues, risks of choroidal detachments or bleb failure.
• 8:55
  SPEAKER_00: The key point is that even a small bleed or delayed clotting can have big effects after glaucoma surgery.
• 9:01
  SPEAKER_00: If a hyphema persists or a bleb leak stays open, vision can suffer and the surgery can fail.
• 9:07
  SPEAKER_00: For example, a clot blocking the new drainage path might raise eye pressure, or conversely, excessive fluid leak can cause hypotany.
• 9:15
  SPEAKER_00: Studies warn that risk factors for major ocular hemorrhages, like suprachoroidal hemorrhage, include any systemic clotting issues or use of blood thinners.
• 9:25
  SPEAKER_00: Azuara Blanco et al.
• 9:27
  SPEAKER_00: list bleeding disorders or use of anticoagulants as risk factors for serious post-surgical eye bleeds.
• 9:33
  SPEAKER_00: By analogy, if bromolane or serapeptase act like blood thinners, they could add to that risk.
• 9:39
  SPEAKER_00: In short, the bleb is a very delicate healing site.
• 9:43
  SPEAKER_00: It needs clots to form and scar tissue to seal the flap.
• 9:47
  SPEAKER_00: Anything that inhibits clotting or accelerates fibrin breakdown could threaten bleb integrity, at least in theory.
• 9:54
  SPEAKER_00: So far, there are no published reports specifically saying bleb leak occurred after bromolane, but given what we know, if bromolane serapeptase weakens clot formation, a microscopic bleeder might not stop quickly.
• 10:07
  SPEAKER_00: This could increase the risk of visible hyphema, persistent bleeding, or bleb leak during the critical early healing period.
• 10:14
  SPEAKER_00: As a result, many glaucoma surgeons advise caution.
• 10:18
  SPEAKER_00: Timing after surgery.
• 10:20
  SPEAKER_00: Some patients wonder if it's safer to delay these supplements until a couple of weeks after surgery.
• 10:25
  SPEAKER_00: By two weeks post-trabeculectomy, the eye's initial wound healing phase is largely over.
• 10:31
  SPEAKER_00: In general, surgery wounds, much of the early inflammation and edema subsides by one to two weeks.
• 10:37
  SPEAKER_00: For example, most post-surgical swelling peaks in the first few days, and much of it is gone by two weeks in many wounds.
• 10:44
  SPEAKER_00: Thus, starting bromolane serapeptase two weeks later would likely have little benefit for swelling, since the acute swelling is mostly resolved by then.
• 10:54
  SPEAKER_00: However, does weighting improve safety?
• 10:57
  SPEAKER_00: Once two weeks have passed, the bleb flap is more stable and scalpels no longer fully heal.
• 11:03
  SPEAKER_00: Tensile strength increases with time.
• 11:05
  SPEAKER_00: Delaying might reduce the risk of interfering with the initial clotting hemostasis.
• 11:10
  SPEAKER_00: That said, bleb healing and remodeling continue for months.
• 11:14
  SPEAKER_00: The fine scar needs the right growth and maintenance.
• 11:17
  SPEAKER_00: It's unclear if starting bromolane later is truly harmless.
• 11:20
  SPEAKER_00: Some risk technically remains, though likely smaller than giving it immediately.
• 11:26
  SPEAKER_00: In practice, many surgeons would say, if you feel you need a supplement for pain swelling, discuss it with your eye doctor.
• 11:33
  SPEAKER_00: They will consider if the potential relief is worth even a small risk of bleeding.
• 11:39
  SPEAKER_00: Given the modest benefits and uncertain safety, most would caution against using these enzymes even after two weeks in a recent trabeculectomy patient, especially since the main period for swelling has passed.
• 11:52
  SPEAKER_00: Which patients should avoid proteolytic enzymes?
• 11:55
  SPEAKER_00: Certain patient groups should definitely avoid bromolane serapeptase around the time of eye surgery or any surgery.
• 12:02
  SPEAKER_00: These include patients on blood thinners or antiplatelets, anyone taking aspirin, clopidogrel, plavox, warfarin, doax, heparin, or even high-dose fish oil garlic turmeric supplements should avoid adding bromolane or serapeptase.
• 12:17
  SPEAKER_00: The combined effect could cause dangerous bleeding.
• 12:20
  SPEAKER_00: Bleeding disorders or low platelets.
• 12:23
  SPEAKER_00: Patients with hemophilia, von Willebrand disease, thrombocytopenia, or any tendency to bleed should not take these enzymes.
• 12:31
  SPEAKER_00: History of ocular bleeding.
• 12:33
  SPEAKER_00: If you've had episodes of eye hemorrhage, hyphema, or a known weak vessel like iris microhemangiomas, these supplements might worsen it.
• 12:40
  SPEAKER_00: Also avoid if you had a prior suprachoroidal hemorrhage.
• 12:44
  SPEAKER_00: Pregnant or breastfeeding women.
• 12:46
  SPEAKER_00: Bromolane has been noted to possibly induce uterine bleeding or contractions in animal studies.
• 12:52
  SPEAKER_00: It's usually advised against in pregnancy.
• 12:55
  SPEAKER_00: Serapeptase safety in pregnancy is also unproven.
• 12:58
  SPEAKER_00: Peptic ulcer or GI bleeding.
• 13:01
  SPEAKER_00: Since these enzymes also thin blood, those with stomach ulcers, gastritis, or a recent GI bleed should avoid them.
• 13:08
  SPEAKER_00: Children.
• 13:08
  SPEAKER_00: There is no well-established dosing or safety data for growing children.
• 13:12
  SPEAKER_00: Allergies.
• 13:13
  SPEAKER_00: Anyone allergic to pineapple for bromelin or silkworm bacteria products for serapeptase should avoid them.
• 13:20
  SPEAKER_00: Rarely, serapeptase could trigger unexpected immune reactions or eosinophilic pneumonia, per some reports.
• 13:28
  SPEAKER_00: In short, if any reason to bleed or bruise is present, or if you are on anticoagulant drugs, do not take bromoline or serapeptase around your surgery.
• 13:37
  SPEAKER_00: Even if you aren't on medications, having had glaucoma surgery places you in a high risk category for device failure if bleeding occurs.
• 13:45
  SPEAKER_00: Use of these enzymes should be discussed with, and usually avoided by, your surgeon.
• 13:50
  SPEAKER_00: Recommendations for clinical trials, safety endpoints.
• 13:54
  SPEAKER_00: If a researcher were to design a trial testing bromolane serapeptase in postoperative patients, careful safety monitoring would be crucial.
• 14:02
  SPEAKER_00: Here are suggested standardized safety endpoints to include bleeding events, systemic, log any bleeding episodes, nosebleeds, gum bleeding, heavy menstruation, bruising.
• 14:13
  SPEAKER_00: Use established criteria for major minor bleeding, for example, ISTH definitions.
• 14:18
  SPEAKER_00: Major bleed means intracranial, requiring transfusion or dropping hemoglobin to clinically relevant non-major as defined in drug trials.
• 14:27
  SPEAKER_00: Laboratory markers.
• 14:29
  SPEAKER_00: Monitor coagulation labs, PTAPTT, and platelet counts at baseline and during the trial.
• 14:34
  SPEAKER_00: Optionally measure platelet function tests, e.g.
• 14:37
  SPEAKER_00: PFA100 or aggregometry or thromboelastography, TEG Rotem.
• 14:41
  SPEAKER_00: Track hemoglobin hematocrit to catch occult bleeding.
• 14:44
  SPEAKER_00: Ocular bleeding.
• 14:45
  SPEAKER_00: Specifically record any hyphema blood in the anterior chamber.
• 14:50
  SPEAKER_00: Grade its severity, e.g.
• 14:51
  SPEAKER_00: 1 plus, 2 plus, 3 plus, or a known scale.
• 14:54
  SPEAKER_00: Note if it required any intervention like an anterior chamber washout or caused elevated eye pressure.
• 15:00
  SPEAKER_00: Bleb integrity.
• 15:01
  SPEAKER_00: Perform site testing, fluorescence to detect bleb leaks.
• 15:05
  SPEAKER_00: Count any incident of wound leaks or thin ovascular blebs.
• 15:09
  SPEAKER_00: Monitor intraocular pressure closely.
• 15:11
  SPEAKER_00: A sudden drop, hypotony, e.g.
• 15:13
  SPEAKER_00: IOP 5 mm hergrams, or spike might indicate a leak or bleed.
• 15:17
  SPEAKER_00: Note any choroidal effusions on exam or ultrasound.
• 15:21
  SPEAKER_00: Additional visual outcomes.
• 15:22
  SPEAKER_00: Track best corrected visual acuity and visual field changes as indirect safety signals.
• 15:27
  SPEAKER_00: A loss of vision due to bleeding, e.g., corneal blood staining, would be critical.
• 15:32
  SPEAKER_00: General safety.
• 15:33
  SPEAKER_00: Adverse events such as hospitalization for bleeding, GI bleed, intracranial hemorrhage, etc., of any cause should be recorded.
• 15:40
  SPEAKER_00: Also monitor hepatic renal function if using high doses, since bromolane is metabolized and could stress organs in theory, rarely reported.
• 15:49
  SPEAKER_00: In a trial report, it would be ideal to present both incidents, percentage of patients with event, and time to event.
• 15:56
  SPEAKER_00: For ocular endpoints, standardized glaucoma surgery outcome definitions can be used, e.g., from the World Glaucoma Association, which define bleb outcomes.
• 16:06
  SPEAKER_00: Overall, the trial should plan interim safety analyses focusing on bleed risk before considering efficacy.
• 16:13
  SPEAKER_00: Conclusion: Bromolane, serapeptase, and related proteolytic enzyme supplements can modestly reduce pain and inflammation after surgery, but their blood thinning effects are real.
• 16:24
  SPEAKER_00: In routine surgeries, their benefit risk may be acceptable, but in eye surgery, like trabeculectomy, the stakes are higher.
• 16:32
  SPEAKER_00: Published studies and even case reports show these enzymes inhibit clotting and can worsen bleeding.
• 16:38
  SPEAKER_00: Because postoperative eye bleeds, hyphema, and bleb leaks are already known risks, adding another bleeding factor could be dangerous.
• 16:47
  SPEAKER_00: Doctors generally advise avoiding these supplements in the early postoperative period of a trabeculectomy, and certainly in patients on other blood thinners or with bleeding risk.
• 16:58
  SPEAKER_00: Even if started after two weeks, any benefit for swelling is minimal, while any bleeding risk, though reduced, is still undesirable.
• 17:07
  SPEAKER_00: For patients, always tell your surgeon about any supplements you take.
• 17:11
  SPEAKER_00: If you're considering bromolane or cereptase to help with post-op swelling or eye comfort, discuss it first.
• 17:18
  SPEAKER_00: Your doctor can help weigh whether you really need it and if there are safer alternatives.
• 17:23
  SPEAKER_00: In research, careful monitoring of both clotting labs and eye exam findings would be needed to ensure safety before endorsing these products in this context.
• 17:34
  SPEAKER_00: Sources.
• 17:34
  SPEAKER_00: Clinical trials and reviews were used for these conclusions, including systematic reviews and RCTs on bromolane cereptase, laboratory studies on clotting, and case reports highlighting bleeding complications.
• 17:49
  SPEAKER_00: Official glaucoma surgery complication guides warn that bleeding disorders and anticoagulant use raise eye bleed risks, reinforcing caution.
• 17:58
  SPEAKER_00: All links to sources are available in the text version of this article.
• 18:02
  SPEAKER_00: You can find the full article at VisualFieldTest.com.
• 18:06
  SPEAKER_00: Thanks for listening.
• 18:07
  SPEAKER_00: To check your visual field, click the link at the bottom of this article or visit visualfieldtest.com.