Page 829 - Clinical Immunology_ Principles and Practice ( PDFDrive )
P. 829

CHaPtEr 58  Small- and Medium-Vessel Primary Vasculitis                801



            TABLE 58.3  assessing Disease activity in Vasculitis
            System
            assessed   BVaS                 BVaS WG              PVaS                 Comments
            General    Myalgia, arthralgia/ arthritis,   Arthritis, fever  Myalgia, arthralgia/ arthritis,   These are typical features in many forms
                         fever, weight loss                       fever, weight loss   of systemic vasculitis.
            Skin       Infarct, purpura, skin ulcer,   Purpura, skin ulcer,   Polymorphous exanthema,   Skin is a common organ involved in most
                         gangrene            gangrene             livedo, panniculitis,   forms of small and medium vessel
                                                                  purpura, skin nodules,   vasculitis. Skin manifestations in
                                                                  infarct, ulcer, gangrene,   ANCA-associated vasculitides tend to be
                                                                  other skin vasculitis  less serious compared with
                                                                                       manifestations in kidneys, lungs, and
                                                                                       upper airways.
                                                                                      For skin vasculitis in children the
                                                                                       manifestations are more diverse.
            Mucous     Mouth ulcers, genital   Mouth ulcer, conjunctivitis/  Mouth ulcers, genital   Eye involvement is most common in GPA
             Membrane/   ulcers, adnexal     episcleritis, retro-orbital   ulcers, adnexal   and less often seen in MPA or EGPA.
             eyes        inflammation, proptosis,   mass, uveitis, scleritis,   inflammation, proptosis,
                         red eye, (epi)scleritis,   retinal exudates  red eye (epi)scleritis,
                         conjunctivitis, blepharitis,             conjunctivitis, blepharitis,
                         keratitis, blurred vision,               keratitis, blurred vision,
                         visual loss, uveitis, retinal            visual loss, uveitis, retinal
                         vasculitis                               vasculitis
            Ear, nose,   Bloody nasal discharge,   Blood nasal discharge,   Blood nasal discharge,   ENT manifestations are most common in
             and throat  paranasal sinus     paranasal sinus      paranasal sinus      GPA and rarely seen in MPA or EGPA.
                         involvement, subglottic   involvement, swollen   involvement, subglottic   However, EGPA is often characterized
                         stenosis, conductive   salivary glands, subglottic   stenosis, conductive   by the presence of nasal polyps, which
                         hearing loss,       inflammation, conductive   hearing loss,   are inflammatory in nature.
                         sensorineural hearing   hearing loss, sensorineural   sensorineural hearing
                         loss                hearing loss         loss
            Chest      Wheezing, nodules or   Nodules or cavities,   Wheezing, nodules or   The chest is commonly affected in all
                         cavities, pleural effusion,   pleurisy, infiltrates,   cavities, pleural effusion,   three forms of ANCA vasculitis.
                         infiltrates, endobronchial   endobronchial changes,   infiltrates, endobronchial   Wheezing is a common feature of EGPA
                         changes, massive    alveolar hemorrhage   changes, massive    as are infiltrates. In contrast, infiltrates,
                         hemoptysis, respiratory   hemoptysis, respiratory   hemoptysis, respiratory   nodules, and endobronchial disease
                         failure             failure              failure              dominate in GPA. Massive hemoptysis
                                                                                       can occur in patients with GPA or MPA
                                                                                       and less frequently in patients with
                                                                                       EGPA, but may also be a typical feature
                                                                                       with GBM (glomerular basement
                                                                                       membrane) disease.
            Cardiovascular   Loss of pulses, ischemic   Pericarditis  Loss of pulses, bruits,   Cardiovascular manifestations are most
             system      cardiac pain,                            blood pressure       widely recognized in KD, which is not
                         cardiomyopathy,                          discrepancy, claudication,   particularly well covered by PVAS.
                         congestive cardiac failure,              ischemic cardiac pain,   Although CVD manifestations do occur
                         valvular heart disease,                  cardiomyopathy,      in small- and medium-vessel vasculitis,
                         pericarditis                             congestive cardiac failure,   they are more typically seen in large
                                                                  valvular heart disease,   vessel diseases, such as Takayasu
                                                                  pericarditis         arteritis.
            Abdominal   Ischemic abdominal pain,   Mesenteric ischemia  Abdominal pain, peritonitis,   Gut involvement is more typical in
             system      peritonitis, bloody                      bloody diarrhea, bowel   medium-vessel vasculitis, especially
                         diarrhea                                 ischemia             polyarteritis nodosa, but is well
                                                                                       recognized in patients with GPA
                                                                                       especially with colitis giving rise to
                                                                                       bloody diarrhea.
            Renal system  Hypertension, proteinuria,   Hematuria, red cell casts, or   Hypertension, proteinuria,   Renal involvement in small-vessel
                         hematuria, impaired renal   glomerulonephritis,   hematuria, impaired renal   vasculitis is one of the major
                         function, deterioration in   deterioration in renal   function, deterioration in   manifestations leading to organ failure
                         renal function      function             renal function       and death and should be carefully
                                                                                       assessed. Renal involvement in
                                                                                       medium-vessel vasculitis is much less
                                                                                       common and takes the form of infarction
                                                                                       of segments of the kidney leading to
                                                                                       hematuria and hypertension with
                                                                                       consequent impairment of renal function.
            Nervous    Headache, meningitis,   Meningitis, stroke, cord   Headache, meningitis,   Neurological involvement is a common
             system      organic confusion,   involvement, cranial nerve   organic confusion,   feature in small- and medium-vessel
                         seizures, stroke, cord   lesion, sensory or motor   seizures, stroke, cord   vasculitis; often it does not lead to
                         involvement, cranial   neuropathies      involvement, cranial   immediate loss of life. Strokes are less
                         nerve, lesion, sensory or                nerve, lesion, sensory or   common, whereas peripheral
                         motor neuropathies                       motor neuropathies   neuropathies are more common and can
                                                                                       cause long-term disability.
   824   825   826   827   828   829   830   831   832   833   834