İsmet Teoman Benli

Prof. Dr. İsmet Teoman Benli


Research Focus & Metrics

Academic Career Length

27Years (2000-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 April 2003 in European Spine Journal
Verified
Journal Article
Closed access
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İBİsmet Teoman Benli
İsmet Teoman Benli
EAEmre Acaroğlu
Emre Acaroğlu
SASerdar Akalin
Serdar Akalin
MKMahmut Kiş
Mahmut Kiş
EDEvrim Duman
Evrim Duman
AÜAhmet Ün
Ahmet Ün

1 July 2007 in Clinical Orthopaedics and Related Research
Verified
Journal Article
Closed access
İBİsmet Teoman Benli
İsmet Teoman Benli
AKAlper Kaya
Alper Kaya
EAEmre Acaroğlu
Emre Acaroğlu
Radical anterior débridement and strut grafting is the gold standard in the surgical treatment of tuberculosis spondylitis. For many years anterior instrumentation was avoided due to concerns about infection until recently. We investigated the effectiveness and safety of anterior instrumentation for different sites of involvement, number of involved levels, and different age groups in 100 consecutive patients (mean age, 44.3 +/- 12.4). We measured preoperative, postoperative, and final kyphotic deformities radiographically and looked for the presence of fusion. Patients had a minimum followup of 3 years (average, 4.5 years; range, 3-6 years). Addition of anterior instrumentation was effective in the correction of kyphotic deformity (19.8 degrees +/- 7.3 degrees) and facilitated solid fusion, with an average loss of 1.6 degrees +/- 1.8 degrees. Of the 44 patients with neurologic symptoms, 40 (90.9%) achieved full and four (9.1%) achieved partial recovery. There were no apparent pseudarthroses and implant failures. All patients demonstrated clinical healing of tuberculosis without recurrence and reactivation. All domains of the SRS-22 questionnaire showed improvements at the last followup. Anterior instrumentation represents a safe and effective method for the treatment of tuberculosis spondylitis, and it may be the ideal stabilization method thanks to less segment fusion, single approach, and obviating the need for external immobilization.

19 August 2006 in European Spine Journal
Verified
Journal Article
Open access
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İBİsmet Teoman Benli
İsmet Teoman Benli
BABülent Ates
Bülent Ates
SASerdar Akalin
Serdar Akalin
MCMehmet Citak
Mehmet Citak
AKAlper Kaya
Alper Kaya
AAAhmet Alanay
Ahmet Alanay
Last two decades witnessed great advances in the surgical treatment of idiopathic scoliosis. However, the number of studies evaluating the long-term results of these treatment methods is relatively low. During recent years, besides radiological and clinical studies, questionnaires like SRS-22 assessing subjective functional and mental status and life-quality of patients have gained importance for the evaluation of these results. In this study, surgical outcome and Turkish SRS-22 questionnaire results of 109 late-onset adolescent idiopathic scoliosis patients surgically treated with third-generation instrumentation [Texas Scottish Rite Hospital (TSRH) System] and followed for a minimum of 10 years were evaluated. The balance was analyzed clinically and radiologically by the measurement of the lateral trunk shift (LT), shift of head (SH), and shift of stable vertebra (SS). Mean age of the patients was 14.4±1.9 and mean follow-up period was 136.9±12.7 months. When all the patients were included, the preoperative mean Cobb angle of major curves in the frontal plane was 60.8°±17.5°. Major curves that were corrected by 38.7±22.1% in the bending radiograms, postoperatively achieved a correction of 64.0±15.8%. At the last follow-up visit, 10.3°±10.8° of correction loss was recorded in major curves in the frontal plane with 50.5±23.1% final correction rate. Also, the mean postoperative and final kyphosis angles and lumbar lordosis angles were 37.7°±7.4°, 37.0°±8.4°, 37.5°±8.7°, and 36.3°±8.5°, respectively. A statistically significant correction was obtained at the sagittal plane; mean postoperative changes compared to preoperative values were 7.9° and 12.9° for thoracic and lumbar regions, respectively. On the other hand, normal physiological thoracic and lumbar sagittal contours were achieved in 83.5% and 67.9% of the patients, respectively. Postoperatively, a statistically significant correction was obtained in LT, SH, and SS values (P<0.05). Although, none of the patients had completely balanced curves preoperatively, in 95.4% of the patients the curves were found to be completely balanced or clinically well balanced postoperatively. This rate was maintained at the last follow-up visit. Overall, four patients (3.7%) had implant failure. Early superficial infection was observed in three (2.8%) patients. Radiologically presence of significant consolidation, absence of implant failure, and correction loss, and clinical relief of pain were considered as the proof of a posterior solid fusion mass. About ten (9.2%) patients were considered to have pseudoarthrosis: four patients with implant failure and six patients with correction loss over 15° at the frontal plane. About four (3.7%) patients among the first 20 patients had neurological deficit only wake-up test was used for neurological monitoring of these patients. No neurological deficit was observed in the 89 patients for whom intraoperative neurological monitoring with SSEP and TkMMEP was performed. Overall, average scores of SRS-22 questionnaire for general self-image, function, mental status, pain, and satisfaction from treatment were 3.8±0.7, 3.6±0.7, 4.0±0.8, 3.6±0.8, and 4.6±0.3, respectively at the last follow-up visit. Results of about 10 years of follow-up these patients treated with TSRH instrumentation suggest that the method is efficient for the correction of frontal and sagittal plane deformities and trunk balance. In addition, it results in a better life-quality.

2 July 2006 in Spine
Verified
Journal Article
Closed access
İBİsmet Teoman Benli
İsmet Teoman Benli
OÜOnat Üzümcügil
Onat Üzümcügil
EAErbil Aydin
Erbil Aydin
BABülent Ateş
Bülent Ateş
LGLevent Gürses
Levent Gürses
BHBaki Hekimoğlu
Baki Hekimoğlu
Patients with Lenke type 1 single thoracic idiopathic scoliosis were included in this prospective study. All patients had preoperative magnetic resonance imaging (MRI). To examine the frequency of neural axis abnormalities and the need for preoperative MRI in this group of patients. Because of the increasing use of MRI, neural axis abnormalities have been reported in association with certain clinical and radiologic findings in idiopathic scoliosis cases. A total of 104 patients (49 juvenile onset and 55 adolescent onset), older than 10 years, were included in the study. The association of neural axis abnormalities with pes cavus, abnormal deep tendon reflexes, age of onset, presence of pain, severity of the frontal plane deformity, and sagittal contours were investigated. All 7 patients with a neural axis abnormality on MRI had an early onset disease, and 6 of them had back pain. Thus, age of onset and back pain seem to be predictive of these abnormalities. Frequency of MRI abnormalities was as high as 45% for patients with back pain in addition to a type IC curve. In patients with juvenile idiopathic scoliosis and back pain, preoperative MRI should be performed to eliminate the risk of postoperative neurologic deficits, even if the scoliosis is Lenke type 1. However, in patients with Lenke type 1 idiopathic scoliosis, preoperative MRI studies seem unnecessary if intraoperative neural monitoring is to be performed.

1 April 2007 in Spine
Verified
Journal Article
Closed access
İBİsmet Teoman Benli
İsmet Teoman Benli
AKAlper Kaya
Alper Kaya
VUVedat Uruç
Vedat Uruç
SASerdar Akalin
Serdar Akalin
A retrospective follow-up study of post-traumatic thoracic and lumbar kyphosis after anterior instrumentation with anterior plate and dual rod systems. To investigate the outcome of anterior vertebrectomy, anterior strut grafting, and anterior instrumentation in patients with >30° sagittal contour deformity. Post-traumatic kyphosis may lead to mechanical pain due to the impairment of physiologic sagittal contours as well as cosmetic complaints. Forty patients with post-traumatic kyphosis were followed for a minimum of 5 years. Mean age was 44.7 ± 12.4 years (range, 18–65 years); 18 were female and 22 were male. All patients underwent anterior vertebrectomy and decompression; anterior fusion was carried out with costal or iliac ala grafts. Patients were randomly assigned into 2 treatment groups: correction and internal fixation was performed by using either plate-screw (n = 20) or double rod-screw (n = 20). Patients were also evaluated clinically by using Pain and Functional Assessment Scale (PFA) and SRS-22 questionnaire. Before surgery, the mean value for local sagittal contours was 51.4° ± 13.8°; after surgery, it was reduced to 7.0° ± 7.6°, resulting in an 88.7% ± 11.3% correction (P = 0.00). At the last follow-up visit, a mean correction loss of 1.4° ± 1.8° was found. A statistically significant improvement in local kyphosis angles and PFA scores was found after surgery and at the last visit. In 92.5% of the patients (n = 36), pain completely resolved; and in the remaining 3 patients, it is markedly reduced. Neurologic improvement was achieved in all of the 24 patients with neural claudication and other neurologic findings. Solid fusion mass was obtained in all patients. The type of instrumentation system did not differ significantly in terms of kyphotic deformity correction rates, correction losses, PFA scores, and SRS-22 scores. Final PFA scores showed a statistically significant correlation with SRS-22 scores (r = −0.918, P < 0.01). Final pain, function, mental status, self image and satisfaction domain scores and total SRS-22 score were ≥4. The time from trauma to operation and the severity of kyphotic deformity were inversely correlated with postoperative correction rates. On the other hand, these 2 parameters were positively correlated with both final PFA and final SRS-22 scores (P < 0.01). In light of the present study's findings, we suggest that the technique of anterior decompression, strut grafting, and anterior instrumentation is an effective method for the treatment of post-traumatic kyphotic deformity and that the success of the technique depends on the time from trauma to operation and the severity of baseline deformity, regardless of the type of instrumentation.

11 December 2000 in European Spine Journal
Verified
Journal Article
Closed access
PDF file
İBİsmet Teoman Benli
İsmet Teoman Benli
SASerdar Akalin
Serdar Akalin
MKMahmut Kiş
Mahmut Kiş
MÇMehmet Çitak
Mehmet Çitak
BKBurhan Kurtuluş
Burhan Kurtuluş
EDEvrim Duman
Evrim Duman