▁ch ances ▁of ▁cl ot ▁formation . ▁Other ▁less ▁common ▁causes ▁include ▁hyper co ag ul able ▁state , ▁cancer , ▁kid ney ▁trans plant ation , ▁Be h c et ▁synd rome , ▁anti ph osph ol ip id ▁ant ib ody ▁synd rome ▁or ▁bl unt ▁tra uma ▁to ▁the ▁back ▁or ▁ab d omen . ▁▁ ▁Tre at ment ▁of ▁R V T ▁mainly ▁focus es ▁on ▁prevent ing ▁further ▁blood ▁cl ots ▁in ▁the ▁kid ne ys ▁and ▁maintain ing ▁stable ▁kid ney ▁function . ▁The ▁use ▁of ▁ant ico ag ul ants ▁has ▁become ▁the ▁standard ▁treatment ▁in ▁tre ating ▁this ▁ab normal ity . ▁M emb ran ous ▁gl omer ul one ph rit is , ▁the ▁most ▁common ▁cause ▁for ▁ne ph rot ic ▁synd rome ▁in ▁adult s , ▁pe aks ▁in ▁people ▁ages ▁ 4 0 – 6 0 ▁years ▁old ▁and ▁it ▁is ▁twice ▁as ▁likely ▁to ▁occur ▁in ▁men ▁than ▁in ▁women . ▁Since ▁ne ph rot ic ▁synd rome ▁is ▁the ▁most ▁common ▁cause ▁of ▁R V T , ▁people ▁over ▁ 4 0 ▁years ▁old ▁and ▁men ▁are ▁most ▁at ▁risk ▁to ▁develop ▁a ▁ren al ▁ve in ▁th rom b osis . ▁ ▁Sign s ▁and ▁sympt oms ▁As ide ▁from ▁the ▁occas ional ▁fl ank ▁or ▁lower ▁back ▁pain ▁caused ▁by ▁a ▁sudden ▁cl ot ▁in ▁the ▁major ▁ve ins ▁to ▁the ▁kid ne ys , ▁R V T ▁produces ▁few ▁sympt oms . ▁Some ▁patients ▁may ▁not