clinical management of platelet disorders in women · platelet disorders with guidelines for their...
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Clinical Management of Platelet
Disorders in Women
Paula James MD, FRCPC
September 8, 2016
ISTH Advanced Training Course in Thrombosis and Hemostasis
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Disclosures for Paula James
Research Support/P.I. CSL Behring, Bayer, Octapharma, Baxalta
Employee No relevant conflicts of interest to declare
Consultant No relevant conflicts of interest to declare
Major Stockholder No relevant conflicts of interest to declare
Speakers Bureau No relevant conflicts of interest to declare
Honoraria CSL Behring, Octapharma, Baxalta
Scientific Advisory Board Biogen, Baxter, CSL Behring
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Evidence
and
Clinical Pearls
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Menstruation
The Past
160 menstrual cycles
late periods
multiple pregnancies
extended breastfeeding
early menopause
The Present
450 menstrual cycles
early periods
few pregnancies
short breastfeeding
late menopause
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Menorrhagia = Heavy Menstrual
Bleeding (HMB)
• 30% women report at some point
• 10 – 15% have objective menorrhagia
• 5 – 10% seek medical attention
Rees et al, Brit J Haem 1991; 98:327-8
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Causes of Menorrhagia
undiagnosed
bleeding disorder
hormonal
uterine pathology
~50%
~15%
~10%
~25%
Kouides et al, Hemophilia 2002; 8:330-338
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Frequency of Menorrhagia
0
10
20
30
40
50
60
70
80
VWD F XI Deficiency Hemophilia
carrier
General
Population
%
Kadir et al, Hemophilia 1998; 4:836-41
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Definition of Menorrhagia
(Heavy Menstrual Bleeding)
>80 mls menstrual blood loss (MBL)
Clinically, this is a useless definition
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Correlates of > 80 mls MBL
• soaking through pad in 1 hour
• soaking pj’s
• clots> 1 inch
• low ferritin
James et al, Gynecol Reprod Bio 2011;158:124-34
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Pictorial Bleeding Assessment Chart
score > 100 = 80 mls MBL
Higham et al, Br J Obs Gynaecol 1990; 97: 734-39
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Vicenza-based BATs
Vicenza
2005
0 to +3
40 minutes
MCMDM-1VWD
2006
-1 to +4
40 minutes
Condensed MCMDM-
1VWD
2008
-1 to +4
5-10 minutes
PBQ
2009
-1 to +4
20 minutes
ISTH BAT
2010
0 to +4
20 minutes
Self-BAT
2013
0 to +4
5-10 minutes
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Impact of Menorrhagia
• missing work and school
• cause of 2/3 hysterectomy in women of reproductive age
• negative impact on QoL
• iron deficiency (anemia)
Kadir et al, Lancet 1998; 351:485-89; Kouides et al, Haemophilia 2000; 6:643-8
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Treatment of Menorrhagia
differs little between women with a
bleeding disorder and without
• Exceptions:
– DDAVP and platelet transfusion/factor
replacement
– (anti-inflammatories or NSAIDs)
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Treatment of Menorrhagia
• individualized
• medical – 1st Line
– hormonal
– non-hormonal
• surgical
– if no plans for future pregnancy
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Hormonal
• combined oral contraceptives – decrease MBL– increase VWF and FVIII levels (50 mcg oestradiol)
– semi-continuous or continuous
– pill, ring, patch
• depot medroxyprogesterone acetate (Depo-Provera®)– IM injection q 3 monthly– irregular bleeding
Callard et al, Fertil Steril 1996; 17:684-88; Ramcharan et al, J Reprod Med 1980; 25:345-72;Demers et al. SOGC Clinical Practice Guidelines 2005; 163:707-718
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Hormonal
• Levonorgestrel- IUS (Mirena®)
– initially irregular bleeding (up to 6 months)
– decreases MBL by 74 – 97%, improves QoL
– 56% amenorrhea at 9 months
Stewart et al, BJOG 2001; 108: 74-86; Kingman CE et al, BJOG 2004; 111:1425-8
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expulsion + malposition + request for removal in 50% WBD
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Non-hormonal
• Antifibrinolytics
– tranexamic acid (cyclokapron®)
– reversibly blocks lysine binding sites
– decreases MBL by ~50%
– nausea, GI upset
– concern re: thrombosis
• 238,000 patient years
– risk similar to general population
– recommended dose 1 gm TID - QID
Dockeray CJ et al, Eur J Obstet Gynecol Reproduc Biol 1987; 24: 309-18;
Wellington el al, Drugs 2003; 63: 1417-33.
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Desmopressin
• DDAVP – 1-deamino-8-D-arginine vasopressin
• endogenous release of VWF and FVIII
– platelet disorders
• IV/SC
– 0.3 mcg/kg
• IN
– 150 mcg/spray 1 – 2 sprays
• days 1 and 2/3 of menses
• hyponatremia, fluid restrict
• headache, flushing
Rodeghiero et al, Thromb Haemost 1996; 76: 258-66
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n=116TAA > decrease MBL than IN-DDAVPboth improved QoL
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NSAIDS
• avoid in women with severe disorders
• use with caution in patients with mild
disorders
• can reduce MBL
• menstrual pain
Lethaby et al. Cochrane Database Syst Rev, 2000
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Platelet Transfusion/Factor
Replacement
very rarely required
• when other treatments fail
• Platelet Transfusions
– vCJD
– alloantibodies
Bolton-Maggs PHB et al, Brit J Haem 2006; 135:603-33; Lee CA et al, Haemophilia 2006; 12:301-36
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Surgical Management
• Endometrial Ablation
– 70 women, 25 WBD, success > 90%
– 3/7 successful outcome at 4 years
– should not become pregnant after
Toth et al. J Am Assoc Gynecol Laparasco 2004; 11:236-239;
Rubin et al. Haemophilia 2004; 10:477-482
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Surgical Management
• Hysterectomy
– requires multidisciplinary management
– WBD increased risk of intra-operative bleeding
and delayed blood loss at 7-10 days
– if required, high patient satisfaction
James et al. Obstet & Gynecol 2004; 104:381-388
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Hysterectomy
WBD (n=102) Normal (n=88)
Hysterectomy 26% 9%
Surgical Bleeding 61% 8%
Transfusion 46% 9%
Kirtava et al, Haemophilia 2003; 9:282-7
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Adolescents with Menorrhagia
• acute menorrhagia should be
investigated for bleeding disorder
• if known family history pre-menarchal
testing and counselling
– prior to institution of COCP
Demers et al, SOGC Clinical Practice Guidelines 2005; 163:707-718; Lee CA et
al, Haemophilia 2006; 12:301-36
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Algorithm for Management
James A et al, AJOG 2009; 201: 12.e1-12.e8
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Other Gynecologic Issues
WBD (n=102) Normal (n=88)
Ovarian Cyst 52% 22%
Endometriosis 30% 13%
Fibroids 32% 17%
Endometrial
hyperplasia
10% 1%
Polyps 8% 1%
Kirtava et al, Haemophilia 2003; 9:292-7
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Pregnancy
important issues to consider
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Hemostatic Changes in Pregnancy
↑ fibrinogen
↑ factor VII
↑ factor VIII
↑ factor X
↑ VWF
↓ platelet count
↔ factor II
↔ factor V
↔ factor IX
↔ factor XI
↓ factor XIII
?platelet function
Chi C et al. Best Practice and Research Clinical Obstetrics and Gynecology, 2012;26:103-17.
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Labour and Delivery
• measure levels at ~32 weeks
– correct if not normalized for 3 – 5 days
• proceed as obstetrically indicated
• ?regional anaesthesia– not contraindicated if factor levels have normalized
– “No investigations demonstrating values of a
platelet function test for the safe placement of
regional anaesthesia”
Demers et al. SOGC Clinical Practice Guidelines 2005; 163:707-718; Katz et al, Brit J Anaesth 2015; 115(S2):ii75-ii88; Lee CA et al, Haemophilia 2006; 12:301-36.
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Labour and Delivery
• minimize perineal trauma
– avoid forceps
• consider risks to baby
– avoid vacuum, forceps, scalp electrode
• male or unknown
• written plan in place
– provide a copy to the patient
Demers et al. SOGC Clinical Practice Guidelines 2005; 163:707-718; Katz et al, Brit J Anaesth 2015; 115(S2):ii75-ii88; Lee CA et al, Haemophilia 2006; 12:301-36.
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Post-partum
• increased risk of early (~10%) and late
post-partum (>25%) hemorrhage
• counsel woman to seek medical
attention immediately if excessive post-
partum bleeding
Demers et al. SOGC Clinical Practice Guidelines 2005; 163:707-718
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Post-partum PBAC scores
James A, Haemophilia 2015;21:81
increased bleeding at 3 – 4 weeks in treated VWD
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Post-partum Management of WBD
Hawke et al, Haemophilia, 2016
n=33 women, 62 pregnancies
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Support for Multidisciplinary Care
UKHCDO:
“Management of women with inherited bleeding
disorders should be provided by a multidisciplinary
team including a haematologist and gynaecologist.”
SOGC/AHCDC:
“The ideal management of women with IBD who suffer
menorrhage is through multidisciplinary clinics”
Pre-menarchal girls: “Early introduction to the
multidisciplinary team is important”
Lee CA et al, Haemophilia 2006; 12:301-36.
Demers et al. SOGC Clinical Practice Guidelines 2005; 163:707-718
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Conclusion
Women with inherited bleeding
disorders, including platelet disorders,
face particular gynecologic and obstetrical challenges
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Acknowledgements
Lisa Thibeault
Sherry Purcell
Dr. Graeme Smith
Dr. Rochelle Winikoff
Julie Grabell
Wei Sim
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Key References
Lee CA, Chi C, Pavord SR, Bolton-Maggs PHB et al. The obstetric and gynaecological management of women with inherited bleeding disorders – review with guidelines produced by a taskforce of UK Haemophilia Centre Doctors’ Organization. Haemophilia 2006; 12: 301-36.
Bolton-Maggs PHB, Chalmers EA, Collins PW, Harrison P et al. A review of inherited platelet disorders with guidelines for their management on behalf of the UKCDO. Brit J Haem 2006; 135:603-33.
James AH, Kouides PA, Abdul-Kadir R et al. Von Willebrand disease and other bleeding disorders in women: consensus on diagnosis and management from an international expert panel. Am J Obstet Gynecol 2009; 201:12 e1-8.
Demers C, Derzko C, David M, Douglas J et al. Gynaecological and obstetric management of women with inherited bleeding disorders. J Obstet Gynaecol Can 2005; 27(7):707-32.
Mills HL, Abdel-Baki MS, Teruya J et al. Platelet function defects in adolescents with heavy menstrual bleeding. Haemophilia 2014; 20(2):249-54.
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