en تخصصي Special مقالات اصيل Original Article <span style="font-size:11pt"><span style="line-height:200%"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:12.0pt"><span style="line-height:200%"><span new="" roman="" style="font-family:" times=""><span style="color:black">Background: </span></span></span></span></b><span style="font-size:12.0pt"><span style="line-height:200%"><span new="" roman="" style="font-family:" times=""><span style="color:black">The little finger permanent abduction is an annoying deformity usually along with Wartenberg&#39;s sign (a consequence of ulnar nerve palsy), but there are several ways to correct this condition in rheumatoid arthritis as well. We aimed to investigate the effect of surgical intervention on patients.&nbsp;&nbsp;&nbsp; </span></span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:200%"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:12.0pt"><span style="line-height:200%"><span new="" roman="" style="font-family:" times=""><span style="color:black">Methods: </span></span></span></span></b><span style="font-size:12.0pt"><span style="line-height:200%"><span new="" roman="" style="font-family:" times=""><span style="color:black">The current study was a clinical trial which was done at Hazrat Fatima Hospital of Tehran, Iran from 2020-2022, where 15 patients with an age range of 21-48 years were investigated. All these patients had complications of ulna nerve damage. After the intervention (tendon transfer), the angle change of the fifth finger was compared with before the surgery.</span></span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:200%"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:12.0pt"><span style="line-height:200%"><span new="" roman="" style="font-family:" times=""><span style="color:black">Results: </span></span></span></span></b><span style="font-size:12.0pt"><span style="line-height:200%"><span new="" roman="" style="font-family:" times=""><span style="color:black">A significant improvement in reducing the angle of the fifth finger after surgery was observed in patients (<i>P</i><0.05)<i></i></span></span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:200%"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:12.0pt"><span style="line-height:200%"><span new="" roman="" style="font-family:" times=""><span style="color:black">Conclusion:&nbsp; </span></span></span></span></b><span style="font-size:12.0pt"><span style="line-height:200%"><span new="" roman="" style="font-family:" times=""><span style="color:black">Tendon transfer is one of the best techniques for the treatment of ulnar injuries.</span></span></span></span></span></span></span></span> Ulnar palsy, Little finger, Wartenberg's sign, Digiti minimi tendon  75 78 http://wjps.ir/browse.php?a_code=A-10-448-7&slc_lang=en&sid=1 Hossein Akbari hakbari1339@yahoo.com 100319475328460016202 100319475328460016202 Yes Department of Plastic and Reconstructive Surgery, School of Medicine, Iran University of Medical Sciences, Tehran, Iran. Ali Saadati 100319475328460016203 100319475328460016203 No Department of Plastic and Reconstructive Surgery, School of Medicine, Iran University of Medical Sciences, Tehran, Iran. Peyman Akbari 100319475328460016204 100319475328460016204 No Department of Plastic and Reconstructive Surgery, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.