C5 Palsy of Patients with Proximal-Type Cervical Spondylotic Amyotrophy

servaionalg cohortob studyt was designadopted in study.thisPurp se Thi study waso :designeds to investigate preoperative factos that predict poor outcomesfollowing surgery in with patientsp ox mal-type cerv calr ispondylotic iamyotrophy (PCSA) usingradiological findings. Overview o Literat ure: We f the valuated preoperative factors associated with poor outcomes usingelectrophysiological and neu-rological ndi gs. However, fi npreoperativethe factors associated with poor outcomes remained M thods:unclear. S xty pati entse iPCSA whowith underwent surgical treatment of the crvical spine enrolled.were The radiological find-i gs on plain adio ngrap s, computedr h (CT),tomography and magnetic resonance imaging were (MRI) evaluated. cervicalThe lordotic ngles, C -C7 sagi atal vertical2 t(SVA), axis and T1 were slope on a laterl assessedradiograph in the position.neutral was used CT to ass ss the widt o the intervertebralh f foramen and the anterior of protrusionthe aricular superior process the axial on view. was usedMRI to de erm ne he number tof ilevelst comprssionof (NLC) the and presence a of in thehigh-intensity areaspinal cord in the T2-wei hted mi sag tta l gview. dipreoperativeThe and postoperative of trengths the most atrophic were muscles evaluated using manual muscl test ng. Im roveme ts ini strengthp weren classified as (fivexcellent raesrecovered), good (more than grade onerecovered), air ( o improveme ft), n poor or Re (worsened).ults The preval ences of: palsy C5 was (10/60).17% Patients poor with outcomes had NLC and Delta C2-C7higher than SVApatients ith exce lent, go