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Bleeding Disorders in Congenital Syndromes Susmita N. Sarangi, MD, Suchitra S. Acharya, MD Pediatricians provide a medical home for children with congenital abstract syndromes who often need complex multidisciplinary care. There are some syndromes associated with thrombocytopenia, inherited platelet disorders, factor deficiencies, connective tissue disorders, and vascular abnormalities, which pose a real risk of bleeding in affected children associated with trauma or surgeries. The risk of bleeding is not often an obvious feature of the syndrome and not well documented in the literature. This makes it especially hard for pediatricians who may care for a handful of children with these rare congenital syndromes in their lifetime. This review provides an overview of the etiology of bleeding in the different congenital syndromes along with a concise review of the hematologic and nonhematologic clinical manifestations. It also highlights the need and timing of diagnostic evaluation to uncover the bleeding risk in these syndromes emphasizing a primary care approach. Bleeding Disorders and Thrombosis Program, Cohen Children with congenital syndromes these patients as part of surveillance Children’s Medical Center of New York, New Hyde Park, New York with multiple anomalies need a or before scheduled procedures multidisciplinary approach to and recommends guidelines for Drs Sarangi and Acharya contributed to the their care, along with continued appropriate and timely referral to the conceptualization, content, and composition of the surveillance for rare manifestations hematologist. manuscript and approved the final manuscript as submitted. such as a bleeding diathesis, which may not be evident at diagnosis. This Achieving hemostasis is a complex DOI: 10.1542/peds.2015-4360 accompanying bleeding diathesis process starting with endothelial Accepted for publication Aug 15, 2016 due to thrombocytopenia or other injury that results in platelet plug Address correspondence to Suchitra S. Acharya, coagulation defects may be a part of formation, which is then strengthened MD, Bleeding Disorders and Thrombosis Program, the syndrome that is not routinely by deposition of fibrin formed Cohen Children’s Medical Center of New York, 269- 01 76th Ave, Suite 255, New Hyde Park, NY 11040. addressed. Consequently, this may go by the proteolytic coagulation E-mail: sacharya@northwell.edu unrecognized in these children until cascade. Platelets initially attach PEDIATRICS (ISSN Numbers: Print, 0031-4005; Online, they face hemostatic challenges, which to subendothelial collagen and 1098-4275). is not uncommon (given the number von Willebrand factor (vWF) via Copyright © 2017 by the American Academy of of corrective surgeries performed glycoproteins VI and 1bα (GPVI, Pediatrics for the congenital defects) in this GPIbα). This leads to activation of FINANCIAL DISCLOSURE: The authors have population leading to unanticipated platelets releasing Thromboxane indicated they have no financial relationships surgical bleeding. Counseling for these A2 (TxA2) and conforming the relevant to this article to disclose. families should include discussions glycoprotein IIb/IIIa (GPIIb/IIIa) FUNDING: No external funding. regarding potential spontaneous or receptor on the platelet surface into POTENTIAL CONFLICT OF INTEREST: The authors trauma-related bleeding associated its high affinity state, which now have indicated they have no potential conflicts of with these syndromes that can binds to fibrinogen and vWF. This interest to disclose. evolve over time. This review aims further leads to release of platelet to highlight congenital syndromes granule contents (fibrinogen, Factor where hemostatic defects have been V, platelet factor 4, Calcium, ADP, To cite: Sarangi SN and Acharya SS. Bleeding Disorders in Congenital Syndromes. Pediatrics. reported, aid the treating primary care ATP, serotonin, vWF) leading to an 2017;139(2):e20154360 physician (PCP) to adequately workup extremely procoagulant surface and PEDIATRICS Volume 139, number 2, February 2017:e20154360 STATE-OF-THE-ART REVIEW ARTICLE
platelet aggregation. The stage is of which 17% (43 samples) were made soon after birth. Although now set for the cascade of serine due to chromosomal anomalies. The survival beyond infancy is rare, life proteases (factors V, VII, VIII, IX, X, prevalence was 54% in Trisomy expectancy is improving. Recognizing XI, XII, XIII) activated by the release 13, 86% in Trisomy 18, 31% in thrombocytopenia is important of tissue factor, which culminate in Turner syndrome, and 6% in because these conditions have the cleaving of thrombin to form Trisomy 21–Down syndrome (DS). associated cardiac, respiratory, and an insoluble fibrin mesh leading However, Hord et al7 reported mild craniofacial anomalies that may need to a stable clot at the site of injury. to moderate thrombocytopenia corrective or palliative surgeries. With the many players involved in (platelet counts 40 000–100 000/ Surgical planning in these patients coagulation, it can be seen how the μL) in 28% of neonates with DS. The needs a multidisciplinary team with clinical bleeding phenotype can be exact mechanism is not known, but screening blood work to identify modified by gene–gene interactions is thought to be due to decreased thrombocytopenia, which if present by improving or worsening the platelet production, from chronic will need platelet transfusions pre- integrity of clot formation directly fetal hypoxia, which also leads to and postoperatively depending upon or indirectly. Therefore, this review intrauterine growth retardation.8 the complexity of the surgery guided will focus on congenital syndromes by the hematologist. DS (Trisomy 21) is also associated associated with quantitative Turner syndrome (45, X) can with other hematologic findings, (thrombocytopenia) and qualitative be associated with transient such as polycythemia, neutropenia, platelet function defects (ie, defects thrombocytopenia (31% of patients6) abnormal circulating blasts, in platelet generation or defects at 1 in the newborn period. Due to the erythroblastosis, and giant platelets.9 or more levels of platelet activation) single functional X chromosome, girls Approximately 10% of neonates with and coagulation factor deficiencies. can inherit X-linked conditions like DS have transient myeloproliferative It will also highlight congenital hemophilia, but this has only very disorder, which can present with syndromes where bleeding can rarely been described.12 Therefore, isolated thrombocytopenia or result from defects in the underlying prolonged bleeding events warrants thrombocytosis, leukocytosis, or connective tissue or anatomic referral to a hematologist for workup. persistent peripheral blood blasts. malformations that increase Gastro-enteral bleeding can occur in These abnormal blood cells will self- predisposition to bleeding. It will Turner syndrome due to associated resolve in most infants by 3 months further discuss basic evaluation of inflammatory bowel disease or after birth; however, 20% can have these patients on the basis of a high often unrecognized intestinal more progressive disease. Both index of suspicion and highlight what telangiectasias (incidence of 7%).13 transient myeloproliferative disorder phenotypes need specialist referral and myeloid leukemia associated DiGeorge syndrome (22q11.2 del) for both health maintenance and with DS (ML-DS), which presents is the most common micro deletion prevention of surgical bleeding and at 1 to 4 years of age, have somatic syndrome with associated mild discuss general treatment principles. mutations in the megakaryocyte macrothrombocytopenia in 30% Table 1 and Supplemental Tables 5 erythroid transcription factor of patients resulting from deletion and 6 summarize the key features of GATA-1.10,11 ML-DS has a preceding of the contiguous GP1BB gene in the congenital syndromes discussed myelodysplastic phase with patients the deleted Chromosome 22q11 in this review. presenting with progressive locus, which codes for the subunit anemia and thrombocytopenia, of the platelet adhesion receptor.1 which then develops into leukemia. Immune dysfunction is common in COMMON CONGENITAL SYNDROMES ASSOCIATED WITH A BLEEDING DS-associated acute lymphoblastic these patients and it is estimated DIATHESIS leukemia develops after age 4 years, that immune thrombocytopenic presenting with cytopenias, and often purpura is 200 times more common in Chromosomal Syndromes lower platelet counts than ML-DS these patients as compared with the patients. Therefore, all DS patients general population.14,15 These platelet A fault in chromosome distribution should have a complete blood cell abnormalities need to be identified during cell division leads to count at birth and if found to have early on and specifically before aneuploidy, which can be associated any hematologic abnormalities corrective cardiac surgeries. Close with thrombocytopenia but is rarely should be referred to hematology. collaboration with a hematologist severe. Hohlfeld et al6 in a study of 5194 fetal blood samples (17 to 41 Other trisomies such as Trisomy 13 before these surgeries will help avert weeks) reported 4.7% samples (247 and Trisomy 18 have very distinct bleeding complications. samples) with thrombocytopenia clinical patterns (Table 1), Noonan syndrome is a relatively (platelet counts
TABLE 1 Features of Congenital Syndromes Associated With Thrombocytopenia Disorder Incidence Clinical Features Incidence of Thrombocytopenia When to Refer to Hematology Trisomy 21 1 in 660 Cognitive impairment, hearing 7–28%a All patients with any hematologic issues, thyroid issues, heart abnormalities defects, gastroenteral atresias, cataracts Trisomy 13 1 in 5000 Cleft lip and palate, polydactyly, 54%a (All patients had platelet counts Platelet count 100 000/μL) omphalocele, VSD, PDA, neural tube defects Trisomy 18 1 in 5000 Dolichocephaly, micrognathia, 86%a (20% with platelet counts 50 000– Platelet count
(EDS) being the most prevalent. Although collagen proteins are an integral part of capillary scaffolding, they also contribute to platelet activation, adhesion, and aggregation. EDS is a clinically and genetically heterogeneous group of conditions with varying degrees of skin hyperextensibility, joint hypermobility, delayed wound healing, and atrophic skin scarring. There are 5 subtypes with a combined prevalence rate of 1 in 5000 individuals. Type IV EDS (vascular type) carries the gravest prognosis affecting medium and large sized vessels. It can initially present as easy bruising and gum bleeding, but depending on the vessels affected can have bleeding from every possible site of the body, including fatal intraabdominal bleeding.23 The other subtypes of EDS manifest with soft, fragile hyperextensible skin along with joint dislocations and bony abnormalities.23 The diagnosis is often challenging in children, especially when there is no family history and can lead to extensive hemostasis-related bleeding workups, which are often normal. In the office setting, clinicians can use the Beighton scoring system (Fig 1) for evaluation of joint hypermobility and refer patients FIGURE 1 with high scores to the geneticist The Beighton Scoring system for joint hypermobility. Degree of mobility assessed by passive for further evaluation and maneuvers in 5 joints. Total score: 0–9. Hypermobility score: ≥5. (Figure reproduced with permission confirmatory genetic testing.24,25 from Arthritis Research UK; http://www.arthritisresearchuk.org) Capillary fragility is common among all subtypes with variable degrees Abnormalities in Vasculature (telangiectasias) without intervening of platelet function defects and capillaries, which have a higher coagulation factor deficiencies Hereditary hemorrhagic propensity to bleed due to inherently (factors VIII, IX, XI, XII, and XIII) telangiectasia (HHT) or Osler– elevated perfusion pressures. In HHT, being reported.23 Desmopressin Weber–Rendu syndrome is a telangiectasias can develop in the has been shown to reduce bleeding common autosomal inherited nasal mucosa within the first decade risk and postoperative bleeding disorder with altered defects in and worsen with age, presenting with in pediatric patients with EDS, vascular integrity with an incidence severe and recurrent nosebleeds. suggesting that a weakened platelet of 1 in 5000 individuals. The While evaluating significant and collagen interaction underlies underlying genes ENG, ACVRL1, prolonged epistaxis in a pediatric the bleeding tendency in EDS.26 SMAD4 encode proteins leading patient, the PCP should inquire Therefore, individuals with suspected to elevated expression of vascular about bleeding from other sites, or confirmed diagnosis of EDS with endothelial growth factor.27 This presence of anemia and gastro- any bleeding symptoms or planned leads to characteristic clinical enteral bleeding, and strokes related surgical procedures should be manifestations of dilated and to arterio venous malformations referred to a hematologist. tortuous postcapillary venules among close family members. It 4 SARANGI and ACHARYA
might be difficult to make a diagnosis TABLE 2 The Curacao Diagnostic Criteria for proteins of the coagulation in childhood as characteristic HHT cascade), specimen handling, telangiectasias are often not present Criteria Definition and interpretation and should be until later or present as benign- Epistaxis Spontaneous, recurrent carried out in conjunction with an looking mucocutaneous red spots nosebleeds experienced hematologist who can that go unnoticed by providers. Telangiectasias Multiple, at characteristic accurately interpret the clinical and The Curacao Criteria (Table 2) is a sites (lips, oral cavity, laboratory findings. Although light fingers, nose) validated scoring system developed transmission aggregometry and Visceral Pulmonary, liver, cerebral, to help elucidate a diagnosis of HHT involvement spinal, or gastrointestinal its modification lumiaggregometry as nosebleeds and telangiectasias are vascular malformations are used for initial screening for common in the general population.28,29 Family history A first-degree relative with platelet function defects, there are Otorhinolaryngologists should be definite HHT limitations of standardization and Diagnostic criteria consulted early on in a child with reproducibility. However, it can Definite HHT 3 or 4 criteria are present prolonged recurrent nose bleeds to Probable HHT 2 criteria are present help identify platelet adhesion or look for these telangiectasias without HHT unlikely Only 1 criterion is present aggregation defects, platelet granule which the diagnosis may be missed release defects on the basis of which until a later encounter with a life- further confirmatory testing can be threatening bleeding episode. with known inherited platelet carried out. disorders.32 Wiskott–Aldrich syndrome is a RARE CONGENITAL SYNDROMES rare autosomal recessive disorder Supplemental Table 5 outlines ASSOCIATED WITH A BLEEDING due to defects in the WASP gene the various features of inherited DIATHESIS (Xp 11.22) with an incidence of 4 thrombocytopenic syndromes. The per million live births.3 The clinical underlying molecular defect can be Inherited Platelet Disorders features classically include the restricted to platelets alone, or in triad of microthrombocytopenia Many of the inherited some cases can involve other cells (platelet counts 5000–50 000/ thrombocytopenias are clinically thereby resulting in multisystem μL) presenting as bruising and mild and may go unrecognized dysfunction. Evaluation of the purpura in the neonatal period, unless faced with hemostatic patient and the family for presence eczema that develops around stressors such as menses, surgery, of immunodeficiency, hearing loss, infancy and immune defects with trauma, or childbirth.30 A thorough albinism, and renal findings will point recurrent sinopulmonary infections bleeding history is a crucial to an underlying syndromic cause of in midchildhood. A high index of component in the evaluation of thrombocytopenia. This is further suspicion should prompt referral to these patients, including obtaining complicated by the fact that all a hematologist who may recommend previous blood counts if available. components of the syndrome may not splenectomy to ameliorate Particularly, time should be devoted be present in affected individuals and bleeding symptoms associated with to eliciting the family history with therefore a high index of suspicion is thrombocytopenia or bone marrow special attention to hemostatic key to their diagnoses. While working transplantation, which is usually stressors, such as menorrhagia, up these patients, it is important curative (Table 1 and Supplemental bleeding after teeth extractions, to collect fresh blood samples Table 6). blood transfusions after surgery, or with citrate as the anticoagulant unexplained anemia. Platelet counts to eliminate the phenomenon Bone Marrow Failure Syndromes should be determined in family of pseudothrombocytopenia. members with bleeding symptoms. Automated platelet counters are not Thrombocytopenia in inherited The pattern of bruising and bleeding accurate in the presence of macro bone marrow failure syndromes disproportionate to trauma should or micro thrombocytopenia and (IBMFS) presents as a component of raise suspicion for nonaccidental manual inspection of peripheral progressive marrow failure, which trauma even in patients in whom smears under Giemsa or Wright is the hallmark of these syndromes. congenital platelet disorders are stain provide important information Thrombocytopenia may present in suspected.31 The use of standardized regarding platelet number, size, and the neonatal period in congenital bleeding assessment tools is very granularity. After recognition of amegakaryocytic thrombocytopenia useful in this setting. The Pediatric these syndromes, further diagnostic and thrombocytopenia with Bleeding Questionnaire identified evaluation of platelet disorders needs absent radii (TAR) manifesting high bleeding scores (>96% of careful preparation (a nontraumatic as petechial bleeding and rarely patients) in a cohort of 23 patients blood draw to preserve component leading to catastrophic intracranial PEDIATRICS Volume 139, number 2, February 2017 5
hemorrhage. Unlike other IBMFS, syndrome and a number of other should be based on the gestational the thrombocytopenia in TAR platelet abnormalities described, age, onset of thrombocytopenia (72 hours suggesting that nonlife-threatening recognize that abnormal platelet indicating postnatally acquired procedures could be delayed until function usually persists despite infections), and the clinical status after infancy. Fanconi anemia resolution of thrombocytopenia in of the newborn (sick versus well presents with thrombocytopenia as some patients. Therefore, formal appearing). Karyotype testing should the first hematologic manifestation platelet function testing with a plan be done in all obviously dysmorphic during midchildhood, whereas in for platelet transfusions are indicated infants with thrombocytopenia. Shwachman–Diamond syndrome it before major procedures despite Inherited causes of thrombocytopenia appears later, having been preceded normal platelet counts.5 are in general rare and rarely by neutropenia for variable amounts present in the newborn period. If a of time.33 Supplemental Table 6 Other Congenital Disorders clear family history is present, the outlines the various IBMFS that hematologist should be consulted have thrombocytopenia as part of Storage disorders such as Gaucher to guide appropriate timing of the syndrome. The pathognomonic disease and Niemann–Pick disease confirmatory testing and help physical features can aid in present with splenomegaly either manage thrombocytopenia in recognizing the underlying IBMFS, due to direct splenic infiltration or the neonatal period. This should but it is important to realize that portal hypertension. While caring include a comprehensive delivery half of these patients may not be for these patients, it is important plan with contraindication for recognized until adulthood.34 to keep in mind that platelets can instrumental delivery, vacuum, pool and sequester inside the or use of fetal scalp monitoring. Chromosomal Disorders abnormally enlarged spleen, which Early onset thrombocytopenia can lead to acute life-threatening 50 000/ μL are good rare inherited disorder that can platelet function defects.39 Once clues pointing to an underlying have transient thrombocytopenia these disorders are diagnosed, it inherited defect. In the setting of a at birth.35 More recently a higher would be important to obtain a well appearing infant with isolated incidence of chronic immune baseline platelet count and refer to a thrombocytopenia and absence of thrombocytopenia (ITP) in these hematologist for bleeding symptoms any other features, it is reasonable patients has also been described or before a surgical procedure to treat for immune-mediated causes (see Table 1).4 Self-injurious for a comprehensive evaluation of thrombocytopenia (neonatal behavior is often a component of of the bleeding phenotype and alloimmune thrombocytopenia) the syndrome that compounded recommendations for surgery. until platelet antigen incompatibility with thrombocytopenia can lead can be demonstrated between to an increased risk of intracranial mother and infant serologically. bleeding. It has been proposed to GENERAL GUIDELINES FOR HEALTH Most allo or auto antibodies against get platelet counts for these patients MAINTENANCE AND MANAGEMENT OF neonatal platelets clear from the at diagnosis, with any unusual BLEEDING SYMPTOMS circulation over time with platelet bleeding symptoms and at 5 yearly counts normalizing within 1 to 2 intervals if asymptomatic and refer Newborn Period weeks in most infants. Persistence to hematology for severe bleeding Thrombocytopenia is encountered of thrombocytopenia beyond 8 to 12 symptoms.4 fairly commonly (up to 25% weeks42 after birth should warrant a Jacobsen syndrome (11q of admitted newborns) in the hematology consult especially in the syndrome) is perhaps the most well NICUs with rates increasing with absence of any immunologic factors described congenital syndrome prematurity.40 The challenge lies or genetic syndromes. with thrombocytopenia that in identifying which of these can poses significant morbidity to stem from an underlying inherited Infancy and Beyond affected children. The clinical disorder. Fetal platelets are found in The reader is referred to health phenotype is variable with circulation by ∼5 weeks of gestation supervision guidelines for various macrothrombocytopenia a frequent and start reaching adult values by genetic syndromes, which are a (88.5% of patients) feature of the 22 weeks.41 The diagnostic approach useful resource for physicians 6 SARANGI and ACHARYA
TABLE 3 Management of Common Bleeding Symptoms With Identified Platelet/Coagulation Defects Symptom General and Preventive Associated With Platelet Associated With Coagulation Interventions Useful for Severe Symptoms Measures Defect Factor Deficiency Epistaxis Place patient in sitting Local application of Local application of Bleeding lasting >10 min despite hemostatic position with neck forward. hydrophilic powder such hydrophilic powder such measures, >5 episodes per year: refer Firmly compress tip of nose as NasalCeasea as NasalCeasea to ENT for electrocauterization, nasal for 20 min. packing for persistent or profuse bleeding. Daily saline nasal lubrication Aminocaproic acid 50–100 Aminocaproic acid 100 mg/ HHT patients may need laser ablation or and humidification of room mg/kg/dose every 6 h kg/dose every 6 h × 7 d embolization air. ×7d Do not: Stick toilet paper, Desmopressinb intranasal rVIIa (used in Glanzmann thrombasthenia cotton balls in nose as can spray 150 μg/dose: 2 refractory to platelet transfusions)— dislodge clot sprays for adult, and 1 referral to hematology dose: 90 μg/kg Do not: squeeze bony part of spray for
with other indicated systemic hemostatic therapy because of abundance of fibrinolysis in the mouth. Children with a high risk of bleeding should avoid contact sports, heavy exercise, or isometric exercise and wear protective pads to avoid deep hematomas and bruising.26 Nonweight bearing exercises such as aqua therapy should be encouraged to promote a healthy lifestyle. Some of these children can have restrictive diets and vitamin K and vitamin C may need to be supplemented, the deficiencies of which can aggravate the underlying bleeding disorder. Common bleeding symptoms and their management are addressed in Table 3. Antifibrinolytic agents (ε amino caproic acid and tranexamic acid) inhibit plasmin activity, thereby strengthening clot formation and can be used for prevention of minor FIGURE 2 trauma-induced or minor surgical Suggested approach to sequential presurgical evaluation for children with congenital syndromes bleeding especially involving mucosal with known or suspected bleeding diathesis. The laboratory workup should start with an initial surfaces that are rich in fibrinolytic screen and a more exhaustive workup can be done in conjunction with the hematologist on the basis of known hemostatic defects for the specific congenital syndrome and the bleeding phenotype enzymes in areas such as the mouth, of the individual patient. aBleeding phenotype: prolonged (>10 min), persistent (>5 episodes/year) nose, uterus, and gastrointestinal nose bleeds, petechiae with minor trauma, bleeding while brushing teeth, heavy menstrual bleeding, tract. Desmopressin (1-deamino- prolonged bleeding after tooth eruption or extractions; prolonged bleeding after a procedure requiring a red cell transfusion, >1 cm bruises especially palpable in nature after minor trauma. 8-D arginine vasopressin) increases bHigh risk procedures: craniosynostosis surgery, multiple teeth extraction especially wisdom teeth, platelet aggregation by increasing plastic or vascular procedures, cardiac procedures, scoliosis surgery, neurosurgery, liver or kidney plasma levels of vWF and factor VIII, biopsy. cLow risk procedures: simple dental extraction, bronchoscopy, central venous catheter thus improving platelet adhesion removal, cutaneous biopsy, GI endoscopy with biopsy, laparoscopic abdominal surgery. dInclude factor XI levels in patients with Noonan syndrome. and function. It has been shown to be useful in various platelet secretion and granule defects, EDS and therefore should be reserved studies are needed to evaluate and Noonan syndromes, where it for serious bleeding symptoms. the impact of thromboelastogram can improve platelet function and In some cases, judicious and to improve patient outcomes in promote hemostasis.26,47–49 Both tailored use of fresh-frozen plasma bleeding disorders. 1-deamino-8-D arginine vasopressin (FFP), cryoprecipitate, and rVIIa and/or antifibrinolytic agents may be indicated. The use of can be used as monotherapy or rVIIa is approved in Glanzmann’s GUIDELINES FOR MANAGEMENT adjuvant therapies to more definitive thrombasthenia where it improves BEFORE SURGICAL PROCEDURES treatment. Hemostasis therapy platelet aggregation and fibrin and Patients suspected to have a should be tailored on the basis of thrombin generation.50 Point of care congenital syndrome with a the underlying hemostatic defect, devices, such as thromboelastogram, bleeding diathesis (symptomatic severity of bleeding symptoms, or which can quantify global hemostasis or asymptomatic) must have a hemostatic challenge of planned and monitor response to therapeutic sequential evaluation at least 2 to 4 surgery and results of the bleeding agents, are increasingly being weeks before a scheduled surgical evaluation. Although platelet explored in clinical settings such as procedure as proposed in Fig 2. transfusion seems straightforward, trauma and surgery,51 which can Bleeding assessment tools are useful the development of alloantibodies provide improved bleed management to get a standardized bleeding may cause platelet refractoriness and patient outcomes. Further history and calculate bleeding scores, 8 SARANGI and ACHARYA
TABLE 4 The Components and Scoring of the Pediatric Bleeding Questionnaire Symptom/Score –1 0 1 2 3 4 Epistaxis — No or trivial (≤5 per year) >5 per year or >10 min Consultation only Packing, cauterization, or Blood transfusion, replacement duration antifibrinolytics therapy, or desmopressin Cutaneous — No or trivial (≤5 per year) >1 cm and on trauma Consultation only — — Minor wounds — No or trivial (≤5 per year) >5 per year or >5 min Consultation only or steri- Surgical hemostasis or Blood transfusion, replacement duration strips antifibrinolytics therapy, or desmopressin Oral cavity — No Reported at least once Consultation only Surgical hemostasis or Blood transfusion, replacement antifibrinolytics therapy, or desmopressin Gastrointestinal tract — No Identified cause Consultation or Surgical hemostasis, — spontaneous antifibrinolytics, blood transfusion, replacement therapy or desmopressin Tooth extraction No bleeding in at least None done or no bleeding Reported, no consultation Consultation only Resuturing, repacking, or Blood transfusion, replacement PEDIATRICS Volume 139, number 2, February 2017 2 extractions in 1 extraction antifibrinolytics therapy, or desmopressin Surgery No bleeding in at least None done or no bleeding Reported, no consultation Consultation only Surgical hemostasis or Blood transfusion, replacement 2 surgeries in 1 antifibrinolytics therapy, or desmopressin Menorrhagia — No Reported or consultation Antifibrinolytics or D&C or iron therapy Blood transfusion, replacement only contraceptive pill use therapy, desmopressin, or hysterectomy Postpartum No bleeding in at least No deliveries or no Reported or consultation D&C, iron therapy or Blood transfusion, — 2 deliveries bleeding in 1 delivery only antifibrinolytics replacement therapy, or desmopressin Muscle hematoma — Never Posttrauma, no therapy Spontaneous, no therapy Spontaneous or traumatic, Spontaneous or traumatic requiring requiring replacement surgical intervention or blood therapy or desmopressin transfusion Hemarthrosis — Never Posttrauma, no therapy Spontaneous, no therapy Spontaneous or traumatic, Spontaneous or traumatic requiring requiring replacement surgical intervention or blood therapy or desmopressin transfusion Central nervous system — Never — — Subdural, any intervention Intracerebral, any intervention Othera — No Reported Consultation only Surgical hemostasis, Blood transfusion, replacement antifibrinolytics or iron therapy, or desmopressin therapy Reprinted with permission from Bowman M, Riddel J, Rand ML, Tosetto A, Silva M, James PD. Evaluation of the diagnostic utility for von Willebrand disease of a pediatric bleeding questionnaire. J Thromb Haemost. 2009;7(8): Table S1. —, score not available for this particular system. a Includes postcircumcision, umbilical stump, cephalhematoma, macroscopic hematuria, postvenipuncture, and conjunctival hemorrhage. 9
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