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Clinical and Radiological Outcome following MIS-TLIF and Open-TLIF between Asian and African Population- A Comparative Retrospective Analysis in 104 Patients

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Volume 3 | Issue 1 | April-September 2022 | page: 14-19 | Hitesh N. Modi, Utsab Shreshtha

DOI: https://doi.org/10.13107/bbj.2022.v03i01.034

Authors: Hitesh N. Modi [1], Utsab Shreshtha [1]

[1] Department of Spine Surgery, Zydus Hospitals and Healthcare Research Pvt. Ltd., Thaltej, Ahmedabad, Gujarat, India.

Address of Correspondence
Dr. Hitesh N. Modi,
Department of Spine Surgery, Zydus Hospitals and Healthcare Research Pvt. Ltd., Thaltej, Ahmedabad, Gujarat, India.
E-mail: drmodihitesh@gmail.com

Abstract

Purpose: This study aimed to evaluate pre-operative and post-operative sagittal parameters using pelvic incidence (PI), lumbar lordosis (LL), and segmental lordosis (SL) between Asian and African population who underwent minimally invasive surgery-transforaminal lumbar interbody fusion (MIS-TLIF) and open-TLIF surgeries. Study compares blood loss, operative time, and hospital stay; and evaluates disability and pain by Oswestry disability index (ODI) and visual analog scale (VAS) score, respectively, in both groups.
Methods: This retrospective study included 104 patients with an average age of 52.1 ± 12.9 years. All were operated for open-TLIF and MIS-TLIF for one- or two-level lumbar canal stenosis or spondylolisthesis. Patients were divided into two groups according to race: Asian and African. Clinical improvements were evaluated using VAS and ODI scores. Modified MacNab’s criteria were used to evaluate outcome. Estimated blood loss, hospital stay, operative time, perioperative morbidity, and complications were reviewed. On radiological parameters, patients’ LL, PI, and SL were compared between two groups.
Results: Average follow-up was 40.6 ± 13.9 months. Both groups showed significant post-operative improvement in their VAS and ODI scores in both open- and MIS-TLIF (P < 0.0001); however, comparing clinical improvement between Asian and African groups, it did not show significant difference in VAS (P = 0.103) and ODI (P = 0.077). Both groups showed significant improvement in LL and SL in both open- and MIS-TLIF (P < 0.0001); however, there was no change in PI. It did not show any significant difference in improvement in LL (P = 0.156), PI (P = 0.798), and SL (P = 0.179) between Asian and African groups. Regarding post-operative complications, there were 4 (6.9%) and 3 (6.5%) complications occurred in Asian and African population, respectively. There were no difference in complication rates in both groups (P = 0.939).
Discussion: TLIF (MIS and open) gives similar clinical outcome between Asian and African population. Sagittal parameters were higher in African population than the Asian population. Attention should be paid to predetermine the value of LL to achieve during surgery.
Keywords: Transforaminal lumbar interbody fusion, Asian versus African, Sagittal parameters, Clinical outcome.

References

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How to Cite this Article: Modi HN, Shreshtha U |  Clinical and Radiological Outcome following MIS-TLIF and Open- TLIF between Asian and African Population- a Comparative Retrospective Analysis in 104 Patients | Back Bone: The Spine Journal | April-September 2022; 3(1): 14-19.  https://doi.org/10.13107/bbj.2022.v03i01.034

 

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Hemodynamic Neuromonitoring, a Proposed Spino-Cardiac Protective Reflex: Prospective Study in 200 Patients of Lumbar Surgery

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Volume 2 | Issue 2 | October 2021-March 2022 | page: 71-78 | Ajay Krishnan, Devanand Degulmadi, Ravi Ranjan, Shivanand Mayi, Namit Nitherwal, Lingraj Reddy, Ankur Patel, Iboyama Singh, Mirant Dave, Kashyap R Shah, Paresh A Mehta, Shaunak Dudhia, Bharat R Dave

DOI: 10.13107/bbj.2022.v02i02.024

Authors: Ajay Krishnan [1], Devanand Degulmadi [1], Ravi Ranjan [1], Shivanand Mayi [1], Namit Nitherwal [1], Lingraj Reddy [1], Ankur Patel [1], Iboyama Singh [1], Mirant Dave [1], Kashyap R Shah [2], Paresh A Mehta [3], Shaunak Dudhia [3], Bharat R Dave [1]

[1] Department of Spine Surgery, Stavya Spine Hospital and Research Institute, Mithakali, Ahmedabad, Gujarat, India.
[2] Department of Medicine, Stavya Spine Hospital and Research Institute, Mithakali, Ahmedabad, Gujarat, India.
[3] Department of Anaesthesia, Stavya Spine Hospital and Research Institute, Mithakali, Ahmedabad, Gujarat, India.

Address of Correspondence
Dr. Ajay Krishnan,
Consultant spine surgeon, Stavya Spine Hospital and Research Institute, Mithakali, Ahmedabad , Gujarat, India.
E-mail: drajaykrishnan@gmail.com

Abstract

Background: Parasympathomimetic reflexes are reported in literature in spine surgery. Our primary hypothesis is proposed that nociceptive stimuli can be elicited by various maneuvers of lumbar spinal surgery and the physiological manifestation depends on many patient variables and anesthesia. However, a sympathomimetic pathological response is indicative of potential neural damages, which may or may not be reversible. A spino-cardiac protective reflex (SPR), as a new entity for lumbar spinal surgery, is proposed.
Study Design: This was a prospective single institution.
Materials and Methods: All the patients who were undergoing single motion segment transforaminal lumbar interbody fusion (TLIF) in our institute for lumbar disc herniation or non-discogenic lumbar stenosis lumbar spinal stenosis were included who fitted into inclusion criteria till 200 subjects were recruited. Patients’ pertinent vital data were collected at clinical first pre-operative visit and preoperatively on admission. The intraoperative parameters were recorded: Pre-induction, post-induction, post-positioning, before skin incision, after skin/subcutaneous exposure, pre-screw insertion, after screw insertion, after rod connection and distraction, during central decompression-laminotomy/laminectomy, during lateral recess decompression, discectomy, and segmental compression. Significant pulse rate (PR) and mean arterial pressure (MAP) changes were monitored and correlated.
Results: In the enrolled 200 patients, the change in mean MAP and PR changes in varying steps of TLIF was not significant. The positivity of a significant change in MAP and PR correlating with an evident manipulative/pathological-demographic cause was noted (plausibility), which could revert back to baseline (reversibility) after addressing the culprit in 22 cases. Non-correlating raise was also noted in 35 cases.
Conclusion: Spino-protective reflex exists like any reflex in body. Prospective study on huge database needs to be done to validate these observations. However, this study does make the surgeon think for finding clues to neurological damage or left out residual compressions which can be identified and rectified in real time in many cases. INOM is the standard of care and SPR should be compared with intraoperative neuromonitoring to identify sensitivity and threshold of pathological response in future studies.
Keywords: Lumbar, Protective, Reflex, Spine, Sympathomimetic, Transforaminal lumbar interbody fusion

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How to Cite this Article: Krishnan A, Degulmadi D, Ranjan R, Mayi S, Nitherwal N, Reddy L, Patel A, Singh I, Dave M, Shah KR, Mehta PA, Dudhia S, Dave BR Hemodynamic | Neuromonitoring, a Proposed Spino- Cardiac Protective Reflex: Prospective Study in 200 Patients of Lumbar Surgery | Back Bone: The Spine Journal | October 2021-March 2022; 2(2): 71-78.

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Minimally Invasive Trans-foraminal Lumbar Interbody Fusion (MI-TLIF): Technique, Tips and Tricks.

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Volume 2 | Issue 2 | October 2021-March 2022 | page: 60-64 | Sanjeev Asati, Saijyot Raut, Vishal Kundnani, Amit Chugh, Ameya Rangekar, Praveen VNR Goparaju
DOI: 10.13107/bbj.2022.v02i02.023

Authors: Sanjeev Asati [1], Saijyot Raut [1], Vishal Kundnani [1], Amit Chugh [1], Ameya Rangekar [1], Praveen VNR Goparaju [1]

[1] Department of Spine Surgery, Bombay Hospital & Medical Research Centre, Mumbai, Maharashtra, India.
[2] Mumbai Spine Scoliosis and Disc Replacement Centre, Mumbai, Maharashtra, India.

Address of Correspondence
Dr. Saijyot Raut,
Clinical spine fellow, Bombay Hospital & Medical Research Centre & Mumbai Spine Scoliosis and Disc Replacement Centre, Mumbai, Maharashtra, India.
E-mail: saijyotraut@gmail.com

Abstract

Surgical interbody fusion is the main stay of treatment in many lumbar pathologies. Of these, transforaminal lumbar interbody fusion has progressively gained popularity among fusions due to its safety and satisfactory results. With the ever-ending evolution of technological advancements enabled spine surgeons to embrace minimally invasive surgeries mainly due to focal nature of the pathology. Tubular retractors have been tried and tested with very good results when used with microscopic magnification. They helps in surgical decompression and fusion through transforaminal approach with minimal footprint and have proven their versatility by delivering excellent outcomes. Near total bloodless surgery, better cosmesis, decreased hospital stay, lower pain score, early return to work, are some other proven advantages with minimally invasive transforaminal interbody fusion MIS-TLIF. However, high procedural costs and longer trajectory of learning is restraining many surgeons from adapting this technique over time tested open procedures. In this report the authors discuss about the nuances of the surgical procedure, tips and tricks to provide a comprehensive insight and better understanding.

Keywords: MIS-TLIF, Minimally invasive spine surgery, Transforaminal lumbar interbody fusion.

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How to Cite this Article: Asati S, Raut S, Kundnani V, Chugh A, Rangekar A, Goparaju P VNR | Minimally Invasive Trans-foraminal Lumbar Interbody Fusion (MI-TLIF): Technique, Tips and Tricks. | Back Bone: The Spine Journal | October 2021-March 2022; 2(2): 60-64.

 

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