▁flow ▁ ▁The ▁most ▁common ▁cause ▁of ▁R V T ▁in ▁inf ants ▁is ▁de h yd r ation . ▁De h yd r ation ▁may ▁be ▁caused ▁by ▁reduction ▁in ▁both ▁volume ▁and ▁circul atory ▁blood ▁volume ▁due ▁to ▁water ▁de ple ting ▁ab normal ities ▁like ▁di arr he a ▁or ▁vom iting . ▁The ▁decrease ▁in ▁blood ▁volume ▁due ▁to ▁de h yd r ation ▁will ▁cause ▁blood ▁flow ▁to ▁be ▁di vert ed ▁away ▁from ▁the ▁kid ne ys ▁to ▁other ▁org ans , ▁resulting ▁in ▁slower ▁blood ▁flow ▁to ▁the ▁kid ne ys , ▁increasing ▁ch ances ▁of ▁a ▁blood ▁cl ot ▁occurrence . ▁" R V T ▁is ▁known ▁to ▁occur ▁in ▁the ▁absence ▁of ▁clin ically ▁obvious ▁shock ▁e . g . ▁following ▁ne on atal ▁dist ress ▁and ▁pla cement ▁of ▁central ▁ven ous ▁c ath eters ." ▁R V T ▁can ▁also ▁be ▁induced ▁by ▁post ▁trans plant ▁dist ort ion ▁or ▁physical ▁dist ort ion ▁or ▁compression ▁of ▁the ▁ren al ▁ve in , ▁which ▁depending ▁on ▁the ▁shape ▁dist ort ion ▁can ▁affect ▁the ▁rate ▁of ▁flow ▁through ▁the ▁ve in . ▁ ▁Hyper co ag ul ability ▁Hyper co ag ul ability ▁is ▁an ▁ab normal ity ▁of ▁the ▁blood ▁that ▁increases ▁the ▁risk ▁of ▁the ▁formation ▁blood ▁cl ots . ▁Ne ph rot ic ▁synd rome ▁patients ▁have ▁a ▁higher ▁risk ▁of ▁R V T ▁development ▁due ▁to ▁hyper co ag ul ability ▁caused ▁by ▁protein uria . ▁The ▁increased