varicose veins recurrence...varicose vein intervention at present in the united kingdom;...
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VARICOSE VEINS RECURRENCE -CAN WE AVOID IT?
DR.MR.SCI. Mohamed Mahmud
Poliklinika Mediscan, Tuzla
Bosnia and Herzegovina
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Disclosure
I have no actual or potential
conflict of interest in
relation to this presentation
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Objective
• to investigate the incidence, the clinical andsocio-medical significance of the disease
• to provide an overview of the currentunderstanding of the etiology and pathogenesisof RVV
• to determine the anatomy, source, andcontributory factors of varicose veins recurrence
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To answer the question
Is it possible to avoid recurrence ???
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Why is recurrent varicose veins important ?
• Treatment for RVVtechnically more difficult
• Debilitating and costlyproblem
• Patient satisfaction ispoorer than after primaryintervention
Pathogenesis and etiology of recurrent varicose veins, Brake M, Lim CS, Shepherd AC, Shalhoub J, Davies AH, J Vasc Surg. 2013 Mar; 57(3):860-8.
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Data on recurrent disease is difficult due to :
➢Initial treatment
➢Definition of recurrence
➢Variability in follow up
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An international consensus meeting held on recurrent ‘varices after surgery’ (REVAS) in Paris in 1998
clinical definition:
“ The existence of varicose veins in a lower limbpreviously operated on for varicosities, with orwithout adjuvant therapies, which includestrue recurrences, residual veins and newvarices, as a result of disease progression. “
Pathogenesis and etiology of recurrent varicose veins, Brake M, Lim CS, Shepherd AC, Shalhoub J, Davies AH, J Vasc Surg. 2013 Mar; 57(3):860-8.
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Variability in follow up
Using the REVAS criteria following open
surgery reported at rates RVV :
- 6.6% to 37% after 2 years
- up to 51% after 5 yearsThe care of patients with varicose veins and associated chronic venous diseases: clinical practice guidelines of the Society for Vascular Surgery andthe American Venous Forum, Gloviczki P, Comerota AJ, Dalsing MC, Eklof BG, Gillespie DL,Gloviczki ML, et al J Vasc Surg 2011;53 (5 Suppl):2S-48S.
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Radiologic versus clinical recurrence
• a prospective study of UGFS in thetreatment of GSV reflux in 203 legs (146patients) the 5-year
• duplex ultrasound recurrence was 64%
• clinical recurrence 4%
Prospective five-year study of ultrasound-guided foam sclerotherapy in the treatment of great saphenous vein reflux, Chapman-Smith P, Browne A. Phlebology 2009;24:183-8.
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Pathogenesis and etiology of recurrent varicose veins
A systematic search of the PubMed database
• 1439 articles identified,26 are included• Recurrent VV 13-65%• Results were similar between surgery and EVA• Three types of RVV:
– Residual varicose veins– True recurrent varicose veins– New varicose veins
• Etiology of recurrences :– Inadequate treatment (Tactical and technical errors)– Recanalization and collateralization– Neovascularization– Disease progression
Pathogenesis and etiology of recurrent varicose veins, Brake M, Lim CS, Shepherd AC, Shalhoub J, Davies AH, J Vasc Surg. 2013 Mar; 57(3):860-8.
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Etiology of recurrencesInadequate treatment (Tactical and technical errors)
Tactical errors• Common to all operative treatments• Wrong or incomplete diagnosis• Extent and/or location of varices• Source of reflux• Identification of deep venous anomalies including
pelvic reflux• Post-thrombotic syndromePresence of varices after operative treatment: A review, Perrin, M, 2015 Phlebolymphology. 22. 5-11.
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Technical errorsSurgery
• Non flush ligation at the saphenofemoral (SFJ) or at the saphenopoplitealjunction (SPJ)
• Failure to strip the GSV when it snaps is also a frequent occurrence
Thermal ablation• delivering insufficient energy (recanalization of the treated vein)
Sclerotherapy• Inadequate technique
• Inappropriate sclerosing agent dose
Presence of varices after operative treatment: A review, Perrin, M, 2015 Phlebolymphology. 22. 5-11.
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Surgery
• Open surgery remains the most commonvaricose vein intervention at present inthe United Kingdom; approximately24.000 operations are carried outannually.
Pathogenesis and etiology of recurrent varicose veins, Brake M, Lim CS, Shepherd AC, Shalhoub J, Davies AH, J Vasc Surg. 2013 Mar; 57(3):860-8.
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According to REVAS criteria Source(s) of reflux feeding the recurrence
more than one source may be involved
• Pelvic or abdominal 17%
• Saphenofemoral junction 47%
• No source of reflux 10%
• Incompetent perforators 75% of legs
Neovascularization (20%) was as frequent as technicalfailure (19%) and tactical error (10%).
Presence of varices after operative treatment: A review, Perrin, M, 2015 Phlebolymphology. 22. 5-11.
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Residual stumps associated with inguinal varicosevein recurrences
• In patients with symptomaticgroin recurrences, a longresidual sapheno-femoralstump was found in about twothirds of cases.
The residual stumpTechnical error
Residual stumps associated with inguinal varicose vein recurrences. Geier B, Stücker M, Hummel T, Burger P, Frings N, Hartmann M, StengerD, Schwahn-Schreiber C, Schonath M, Mumme A. Eur J Vasc Endovasc Surg. 2008 Aug; 36(2):207-10. doi:10.1016/j.ejvs.2008.03.013. Epub 2008Jun 4.
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Endovenous thermal ablation
• The patterns of recurrence are different tothose seen after surgery
• New reflux in other saphenous veins (AAGSV –SSV) is responsible for most of recurrences
• Neovascularity seems to be unusual
Recurrence patterns after endovenous laser treatment of saphenous vein reflux.b Winokur RS, Khilnani NM, Min RJ, Phlebology. 2016 Aug; 31(7):496-500. doi: 10.1177/0268355515596288. Epub 2015 Jul 16.
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Factors Associated with recurrence of varicose veinsafter thermal ablation
• Retrospective cohort study (REVATA)
• Seven centers a 1-year period
• Thermal ablation of the GSV, SSV, or AAGSV
• 2380 patients were evaluated
• A total of 164 patients had varicose vein recurrenceat a median of 3 years
Factors Associated with Recurrence of Varicose Veins after Thermal Ablation: Results of The Recurrent Veins after Thermal Ablation Study, R. G.Bush, K. McMullen, P. Bush, J. Flanagan, G. Zumbro, R. Fritz, T. Gueldner, J. Koziarski, ScientificWorld Journal, 2014
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Results
GSV ablation was the initial treatment in 159
• GSV recanalization in 29%
• New reflux in un-ablated GSV 14%
• New AAGSV reflux in 24%
• New SSV reflux in 16%
• Perforator pathology in 64%
Factors Associated with Recurrence of Varicose Veins after Thermal Ablation: Results of The Recurrent Veins after Thermal Ablation Study, R. G.Bush, K. McMullen, P. Bush, J. Flanagan, G. Zumbro, R. Fritz, T. Gueldner, J. Koziarski, ScientificWorld Journal, 2014
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Results• Significant differences between types of laser and GSV
recanalization
• Laser with the most failures was the 810 nm wavelength
• 3 of the thermal ablation failures occurred in patients withless than 60 joules/cm of energy
• Laser 1320 nm had no instances of recanalization
Factors Associated with Recurrence of Varicose Veins after Thermal Ablation: Results of The Recurrent Veins after Thermal Ablation Study, R. G.Bush, K. McMullen, P. Bush, J. Flanagan, G. Zumbro, R. Fritz, T. Gueldner, J. Koziarski, ScientificWorld Journal, 2014
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Foam sclerotherapy - UGFSPatient-reported outcomes 5-8 years after ultrasound-guided foam sclerotherapy for
varicose veins.
• The aim was to determine the long-term (5-8 years) outcomesof ultrasound-guided foam sclerotherapy (UGFS) for varicoseveins
• Retreatment rates
CONCLUSION
• UGFS has durable results
• Only 15,3% of limbs required retreatment for recurrence duringfollow-up period (5 years)
Patient-reported outcomes 5-8 years after ultrasound-guided foam sclerotherapy for varicose veins, Darvall KA, Bate GR, Bradbury AW, Br J Surg. 2014 Aug;101(9):1098-104. doi: 10.1002/bjs.9581. Epub 2014 Jun 24.
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Progression in venous pathology
The data suggest that reflux progression :
• From segmental to multisegmental
• Of uncomplicated varicose vein (C2) to chronicvenous insufficiency (C3–C6)
• In younger age, reflux in tributaries and non-saphenous veins
• In older age, more saphenous reflux and moreproximal sites
Progression in venous pathology, Pannier F, Rabe E, Phlebology 2015 Mar;30(1 Suppl):95-7. doi: 10.1177/0268355514568847.
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ConclusionIs it possible to avoid recurrence ?
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Suggested strategies for preventing SFJ and AASV recurrence
Laser crossectomyInt Angiol 2013;32(5 Suppl 1):1 04-5, Dragic P. “Laser crossectomy”, aState of Art in EVLA. Single center experience using radial fiber in more
than 3000 EVLA performed.
Prophylactic AASV ablationACP guidelines – Treatment of refluxing saphenous veins
Gibson et al Phlebology 2017; 32:448-52
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Concomitant cranial tributary ablation of the SFJ for laser crossectomy of the GSV
• 121 limbs in 112 patients undergoing EVTA(1470nm diode laser)
• Concomitant cranial SFJ tributary ablation withlaser crossectomy of the GSV
– occasionally technically demanding
– but safe and effective approach to reduce SFJrecanalization
Concomitant cranial tributary ablation of the saphenofemoral junction for laser crossectomy of the great saphenous vein, Shimizu, Kasuga,Takeshi, Cosmos Nagano Clinic, Nagano, Japan,, 2019
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Possible measures to decrease recurrence
• Using standard protocol
• Careful evaluation of patients
• Use of duplex ultrasonography pre-and perioperativelyduring open surgery, endothermal ablation and UGFS
• Endovenous thermal ablation at midcalf level belowmost of perforators (if applicable)
• In sclerotherapy:
– use of foam rather than liquid
– adequate volume of foam in larger veins
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Impossible to avoid
Recurrence due to disease progression
We need to talk with our patients about the nature of the disease.
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THANK YOU FOR YOUR ATTENTIONDR. MOHAMED MAHMUD
TUZLA, BOSNIA AND HERZEGOVINA