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Chapter 128  Clinical Approach to the Patient With Bleeding or Bruising  1915

            CLINICAL MANIFESTATIONS                               a bruise, imaging (e.g., with ultrasound) may be necessary to exclude
                                                                  bleeding into deeper tissues.
            Age of Presentation and Extent of Symptoms              Bruising symptoms (that are normal or abnormal) can fluctuate
                                                                  over  time,  depending  on  activity  levels  and  exposure  to  drugs  or
            Inherited bleeding disorders can present at any age, but if severe, a   trauma  that  increase  the  risk  of  bruising  (e.g.,  increased  bruising
            bleeding disorder typically presents at a younger age. 1,3,6,7,26  Milder   when moving house, traveling, or engaging in physical sports; bruis-
            disorders can present at any age and may require a significant hemo-  ing in a toddler who just started walking; worsened bruising after
            static challenge to come to medical attention, often a major surgical   initiating  antidepressant  therapy).  Like  normal  bruising,  bruising
            procedure or a dental extraction. 1,3,6,7,26  Women with mild, moderate,   from  bleeding  disorders  usually  occurs  at  sites  that  are  commonly
            or severe inherited bleeding disorders may present with troublesome   exposed to  trauma  (e.g.,  lower  limbs, outer  hips,  arms). However,
            bleeding  at  the  onset  of  menses  or  with  childbirth-related  bleed-  bruising with acquired hemophilia A may be extensive and involve
            ing. 1,3,7,26  When the bleeding risk is only mildly increased (e.g., low   other regions (e.g., the trunk). This type of bruising is most often
            von Willebrand  factor  levels  without  other  defects,  mild  inherited   autoantibody related because it does not occur in congenital hemo-
            platelet secretion defects), there may be a history of bleeding with   philia, even if there is an inhibitor.
            some, but not all, hemostatic challenges. 1,3,9         Skin examination sometimes reveals bruising associated with skin
              The severity of the bleeding disorder affects the number, severity,   pigmentation changes from iron deposition. This is typical of repeated
            and type of manifestations. Numerical scores, derived from standard-  bleeds in persons with severe platelet function disorders or moderate
            ized  bleeding-history  assessment  tools,  show  considerable  overlap   to severe forms of von Willebrand disease. These pigment changes
                                               4,5
            among subjects with different disease severities.  Although use of a   are  typically  localized  to  sites  of  recurrent  trauma  (e.g.,  anterior
            standardized tool to quantify bleeding symptoms has been recom-  shins), and the distribution (which can be spotty) helps to distinguish
            mended by the International Society on Thrombosis and Haemosta-  the finding from the pigmentation associated with venous stasis.
              6
            sis,  the tool requires further prospective validation before it is used   Petechiae and/or oral blood blisters are typical of severe thrombo-
            in routine clinical practice.                         cytopenia and are less commonly seen in other conditions, including
                                                                  severe  platelet  function  disorders.  Scurvy  can  cause  perifollicular
                                                                  hemorrhage (often on the shins), bruising, and gum bleeding, typi-
            Family History and Syndromic Disorders                cally  with  associated  swelling  and  redness.  Schamberg  disease  is  a
                                                                  pigmented  purpuric  dermatitis  that  does  not  represent  a  bleeding
            It is important to consider that the family history of an inherited   problem and can be mistaken for petechiae. Early lesions of purpura
            bleeding disorder is influenced by the disorder severity, the mode of   fulminans, from congenital deficiency of protein C or protein S, may
            inheritance, and whether there is more than one bleeding disorder in   be mistaken for bruises, but the age of the patient and the distribution
            the  family. The  family  history  is  often  negative  in  the  case  of  an   of  the  lesions  help  to  establish  the  diagnosis.  Skin  bleeding  from
            acquired  problem,  such  as  iatrogenic  bleeding  from  anticoagulant   minor lesions (e.g., skin cancers) can be unusually troublesome for
            therapy  or  a  technical  problem  complicating  a  surgical  or  dental   patients with severe bleeding disorders.
                    1
            procedure.  The family history is typically positive when the disorder
            is  autosomal  dominant  and  has  high  penetrance. 3,7,9   The  family
            history is negative in individuals with novel mutations and in those   Epistaxis
            with  recessive  disorders  unless  there  are  affected  siblings  or  many
            affected relatives from consanguinity or founder effects. Individuals   Epistaxis is a commonly reported bleeding symptom that does not
            with mild disorders who have never had a hemostatic challenge may   always reflect a bleeding disorder, even when the bleeding is frequent
            be referred after another family member is identified to have a bleed-  and/or requires medical interventions. 2–5,7  Although nosebleeds can
            ing problem or if the person has bleeding after a significant hemostatic   be caused by mucocutaneous bleeding disorders (e.g., platelet or von
                   1,3
            challenge.  Early identification of a bleeding disorder may alter the   Willebrand factor problems), they can also result from severe defi-
            natural history, particularly if treatment is given before hemostatic   ciencies  of  common  pathway  coagulation  factors  (e.g.,  congenital
            challenges. 7                                         deficiency of factor V, factor X, or prothrombin), fibrinolytic defects
              Some patients have other clinical problems that suggest the pos-  (PAI-1  or  α 2 -antiplasmin  deficiency,  increased  platelet  urokinase
            sibility of a syndromic disorder (e.g., albinism or a history of delayed   plasminogen activator from Quebec platelet disorder) or HHT. 1,3,7,9,15,21
            pigmentation, hearing loss, nephritis, absent radii) or an alternative   Nosebleeds from bleeding disorders or other causes are often worse
            diagnosis  (e.g.,  hyperextensibility  of  the  joints  because  of  Ehlers-  in childhood.
            Danlos syndrome). An evaluation for symptoms and signs of joint   When the volume of bleeding from the nose is large, the patient
            hypermobility (affecting the spine, elbows, knees, and/or metacarpo-  may experience passage of clots from the nose or may present with
            phalangeal  joints)  can  help  assess  for  collagen  disorders  amongst   melena. Although nosebleeds are not specific to bleeding disorders,
            individuals referred for bleeding symptom assessment. 27  it is important to ask about them because severe nosebleeds can be
                                                                  disabling for some individuals with bleeding disorders, such as von
                                                                  Willebrand disease. 3,9
            Bruising, Petechiae, and Other Skin Changes
                                                                  Gum Bleeding and Bleeding With  
            Bruising  (which  reflects  bleeding  into  the  skin)  is  a  commonly
            reported  bleeding  symptom. 2–4,7,9,15   Bruising  is  reported  more  fre-  Loss of Primary Teeth
                                  2
            quently by women than men.  Some bruising symptoms are more
            suggestive of a bleeding problem than others. For example, bruises   Gum bleeding can be problematic with inherited or acquired bleed-
            from  bleeding  disorders  often  occur  after  minimal  or  no  recalled   ing disorders that affect platelets or von Willebrand factor, although
            trauma. 3,4,7,9,15  Bruises that are unusually large (e.g., as big or bigger   it more frequently reflects gum disease. 1,3,9,21  Severe bleeding with the
            than an orange) or lumpy or that migrate (i.e., track downward to   loss  of  primary  teeth  is  also  suspicious  of  an  underlying  bleeding
            the feet over time) are consistent with more extensive bleeding into   disorder. 1,3,7,9
            cutaneous  or  subcutaneous  tissues  and  are  more  specific,  but  not
            highly sensitive, for bleeding disorders. 4,7,9  When bruises are large or
            multiple, patients may hide them (by wearing pants and long-sleeved   Gastrointestinal Bleeding
            shirts) to avoid being questioned. Severe bruising symptoms may lead
            to lifestyle changes (e.g., avoidance of sports or other activities that   Gastrointestinal bleeding can complicate a bleeding disorder, but it
                                 7
            increase the risk for bruising).  When there is significant swelling with   is  rarely  the  presenting  problem,  and  it  requires  investigation  to
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