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49 Results Found

  • Article
  • Open Access
668 Views
11 Pages

Radiographic Analysis of Early Changes in Upper Adjacent Segments After Fusion Surgery: OLIF vs. PLIF

  • JooYoung Lee,
  • JaeHwan Cho,
  • Dong-Ho Lee,
  • ChangJu Hwang and
  • SeHan Park

18 September 2025

Background: Oblique lumbar interbody fusion (OLIF) has recently gained popularity as a minimally invasive surgical technique for lumbar fusion. While OLIF is superior in restoring disc height and lumbar lordosis compared to posterior lumbar interbody...

  • Article
  • Open Access
14 Citations
4,839 Views
12 Pages

20 April 2023

Background: Radiological evidence of adjacent segment disease (ASD) has been reported to have a prevalence of more than 30% and several risk factors have been reported. The aim of this study is to evaluate the clinical and radiological outcomes of pa...

  • Article
  • Open Access
2,611 Views
11 Pages

14 February 2024

Background and Objectives: As the oblique lateral interbody fusion at L5/S1 (OLIF51) and the lateral corridor approach (LCA) have gained popularity, an understanding of the precise vascular structure at the L5/S1 level is indispensable. The objective...

  • Article
  • Open Access
2 Citations
2,331 Views
12 Pages

6 January 2024

Background and Objectives: Although adult spinal deformity (ASD) surgery brought about improvement in the quality of life of patients, it is accompanied by high invasiveness and several complications. Specifically, mechanical complications of rod fra...

  • Article
  • Open Access
12 Citations
2,836 Views
8 Pages

Assessment of 3D Lumbosacral Vascular Anatomy for OLIF51 by Non-Enhanced MRI and CT Medical Image Fusion Technique

  • Masakazu Nagamatsu,
  • Sameer Ruparel,
  • Masato Tanaka,
  • Yoshihiro Fujiwara,
  • Koji Uotani,
  • Shinya Arataki,
  • Taro Yamauchi,
  • Yoshiyuki Takeshita,
  • Rika Takamoto and
  • Shinsuke Moriue
  • + 1 author

23 September 2021

Study design: Prospective study. Objective: Medical image fusion can provide information from multiple modalities in a single image. The present study aimed to determine whether three-dimensional (3D) lumbosacral vascular anatomy could be adequately...

  • Article
  • Open Access
113 Citations
12,569 Views
16 Pages

Hydrological Responses to Land Use/Cover Changes in the Olifants Basin, South Africa

  • Charles Gyamfi,
  • Julius M. Ndambuki and
  • Ramadhan W. Salim

9 December 2016

This paper discusses the hydrological impacts of land use changes on the Olifants Basin in South Africa using the Soil and Water Assessment Tool (SWAT). A three-phase land use scenario (2000, 2007 and 2013) employing the “fix-changing” method was use...

  • Article
  • Open Access
1 Citations
1,415 Views
25 Pages

20 September 2025

Climate change affects streamflow through changes in precipitation, temperature, and extreme weather events. These changes will impact water resource availability significantly. Thus, understanding the impacts of climate change on hydrology is essent...

  • Article
  • Open Access
19 Citations
3,775 Views
11 Pages

Oblique lumbar interbody fusion (OLIF) improves the spinal canal, with favorable clinical outcomes. However, it may not be useful for treating concurrent, severe central canal stenosis (SCCS). Therefore, we added biportal endoscopic spinal surgery (B...

  • Article
  • Open Access
4 Citations
2,429 Views
8 Pages

Clinical Evaluation of Microendoscopy-Assisted Oblique Lateral Interbody Fusion

  • Tomohide Segawa,
  • Hisashi Koga,
  • Masahito Oshina,
  • Katsuhiko Ishibashi,
  • Yuichi Takano,
  • Hiroki Iwai and
  • Hirohiko Inanami

3 February 2021

Background and objectives: Oblique Lateral Interbody Fusion (OLIF) is a widely performed, minimally invasive technique to achieve lumbar lateral interbody fusion. However, some complications can arise due to constraints posed by the limited surgical...

  • Article
  • Open Access
7 Citations
2,741 Views
10 Pages

19 February 2023

Background: An unintended consequence following lumbar fusion is the development of adjacent segment disease (ASD). Oblique lumbar interbody fusion combined with posterior decompression (OLIF-PD) is another feasible option for ASD, and there is no li...

  • Article
  • Open Access
1 Citations
1,768 Views
10 Pages

24 August 2023

(1) Background: This study evaluated the efficacy and safety of a minimally invasive oblique lumbar interbody fusion (OLIF) using polyetheretherketone (PEEK) cages for the treatment of lumbar pyogenic spondylodiscitis. (2) Methods: Fifty-one patients...

  • Article
  • Open Access
2 Citations
1,758 Views
14 Pages

A Comparative Study between Single-Level Oblique Lumbar Interbody Fusion with Transforaminal Lumbar Interbody Fusion for Lumbar Adjacent Segment Disease

  • Chung-Tse Chang,
  • Yu-Hsien Lin,
  • Yun-Che Wu,
  • Cheng-Min Shih,
  • Kun-Hui Chen,
  • Chien-Chou Pan and
  • Cheng-Hung Lee

30 September 2024

Background/Objectives: Various surgical approaches have been proposed for treating adjacent segment disease (ASD) after lumbar fusion. However, studies using oblique lumbar interbody fusion (OLIF) to treat ASD are lacking. The current study assessed...

  • Review
  • Open Access
27 Citations
9,984 Views
12 Pages

15 July 2021

Preoperative pathology requiring fusion surgery has a great impact on postoperative outcomes. However, the previous clinical and meta-analysis studies did not control for the pathology. In this systematic review, the authors aimed to compare oblique...

  • Article
  • Open Access
2 Citations
2,062 Views
14 Pages

The Fate of Pre-Existing L5-S1 Degeneration following Oblique Lumbar Interbody Fusion of L4-L5 and Above

  • Dong-Ho Kang,
  • Ji Hwan Kim,
  • Bong-Soon Chang,
  • Hyoungmin Kim,
  • Dongook Kim,
  • Sanghyun Park,
  • Seong Hwa Hong and
  • Sam Yeol Chang

1 December 2023

Background: Previous studies have identified various risk factors for adjacent segment disease (ASD) at the L5-S1 level after fusion surgery, including preoperative sagittal imbalance, longer fusion, and preoperative disc degeneration. However, only...

  • Article
  • Open Access
11 Citations
4,374 Views
14 Pages

The Morphological Changes in Adjacent Segments Amongst Patients Receiving Anterior and Oblique Lumbar Interbody Fusion: A Retrospective Study

  • Kuan-Kai Tung,
  • Fang-Wei Hsu,
  • Hsien-Che Ou,
  • Kun-Hui Chen,
  • Chien-Chou Pan,
  • Wen-Xian Lu,
  • Ning-Chien Chin,
  • Cheng-Min Shih,
  • Yun-Che Wu and
  • Cheng-Hung Lee

26 November 2021

Adjacent segment disease (ASD) is troublesome condition that has proved to be highly related to spinal malalignment after spinal surgery. Hence, we aimed to evaluate the morphological changes after anterior lumbar interbody fusion (ALIF) and oblique...

  • Article
  • Open Access
9 Citations
2,858 Views
16 Pages

Oblique lumbar interbody fusion (OLIF) can be combined with different screw instrumentations. The standard screw instrumentation is bilateral pedicle screw fixation (BPSF). However, the operation is time consuming because a lateral recumbent position...

  • Article
  • Open Access
1 Citations
2,575 Views
14 Pages

Effects of Vacuum Phenomenon on Cage Subsidence and Fusion Outcomes in Oblique Lumbar Interbody Fusion: A Cohort Study

  • Jae-Hyuk Yang,
  • Kun-Joon Lee,
  • Seung-Yup Lee,
  • In-Hee Kim,
  • Sang Yun Seok,
  • Hansongi Suh and
  • Hyung Rae Lee

21 November 2024

Background: Oblique lumbar interbody fusion (OLIF) is a minimally invasive technique used to manage degenerative lumbar conditions. The presence of vacuum phenomenon (VP) and associated endplate sclerosis may increase the risk of cage subsidence. Thi...

  • Article
  • Open Access
2 Citations
2,040 Views
11 Pages

18 October 2024

Background: This study aimed to evaluate the impact of iliac crest height on clinical and radiological outcomes following oblique lateral interbody fusion (OLIF) at the L4–5 level. Methods: Data of patients who underwent single-level OLIF at th...

  • Article
  • Open Access
23 Citations
6,292 Views
17 Pages

4 November 2016

Intensified human activities over the past decades have culminated in the prevalence of dire environmental consequences of sediment yield resulting mainly from land use changes. Understanding the role that land use changes play in the dynamics of sed...

  • Feature Paper
  • Article
  • Open Access
5 Citations
2,750 Views
14 Pages

29 September 2024

Objective: This study investigated the influence of the vacuum phenomenon (VP) on surgical outcomes in patients with lumbar spinal stenosis, comparing minimally invasive oblique lateral interbody fusion (MIS OLIF) and endoscopic decompression. Method...

  • Article
  • Open Access
1,338 Views
17 Pages

Contrasting Microplastic Characteristics in Macroinvertebrates from Two Independent but Adjacent Rivers in Kruger National Park, South Africa

  • Purvance Shikwambana,
  • Llewellyn C. Foxcroft,
  • Hindrik Bouwman,
  • Judith Botha and
  • Jonathan C. Taylor

23 May 2025

Freshwater macroinvertebrates, often used as indicators of environmental quality for freshwater ecosystems, may be compromised by microplastics (MPs). We investigated MPs occurring in benthic filter feeder, predator, and grazer macroinvertebrates col...

  • Article
  • Open Access
3 Citations
1,497 Views
11 Pages

12 June 2024

Background: Standard oblique cages cannot cover endplates side-to-side, which is an important biomechanical factor for reducing the risk of cage subsidence and for restoring correct segmental lordosis. The aim of this study is to evaluate the radiolo...

  • Article
  • Open Access
722 Views
9 Pages

26 June 2025

Background/Objectives: Lateral lumbar interbody fusion (LLIF) has gained popularity as an effective technique for indirect decompression through ligamentotaxis. Despite the perceived importance of using appropriately sized cages for achieving optimal...

  • Article
  • Open Access
176 Views
28 Pages

13 January 2026

The Upper Olifants River Catchment in the Mpumalanga Province has experienced water contamination in the past few decades due to existing land use and land cover. This study employed hydrochemical and environmental isotopes to investigate the water q...

  • Article
  • Open Access
4 Citations
2,807 Views
12 Pages

Comparison of C-Arm-Free Oblique Lumbar Interbody Fusion L5-S1 (OLIF51) with Transforaminal Lumbar Interbody Fusion L5-S1 (TLIF51) for Adult Spinal Deformity

  • Masato Tanaka,
  • Sumeet Sonawane,
  • Umesh Meena,
  • Zhichao Lu,
  • Yoshihiro Fujiwara,
  • Takuya Taoka,
  • Koji Uotani,
  • Yoshiaki Oda,
  • Tomoyoshi Sakaguchi and
  • Shinya Arataki

26 April 2023

Background and Objectives: Adult spinal deformity (ASD) surgery, L5-S1 lordosis is very important factor. The main objective of the research is to retrospectively compare symptomatic presentation and radiological presentation in the sequelae of obliq...

  • Article
  • Open Access
10 Citations
5,104 Views
25 Pages

26 May 2020

Little is understood on the interaction between irrigated agriculture and surface water quality in South African catchments. A case study was conducted on the Middle Olifants Catchment, which contains the second largest irrigation scheme in South Afr...

  • Article
  • Open Access
31 Citations
15,224 Views
19 Pages

31 December 2020

Climate change is expected to substantially reduce future crop yields in South Africa, thus affecting food security and livelihood. Adaptation strategies need to be implemented to mitigate the effect of climate change-induced yield losses. In this pa...

  • Article
  • Open Access
7 Citations
4,413 Views
11 Pages

Chemical pollution in freshwater ecosystems poses a significant environmental threat, often hindering access to safe drinking water for human populations. The Olifants River Basin in South Africa is particularly vulnerable due to escalating mining an...

  • Review
  • Open Access
3 Citations
5,071 Views
13 Pages

Complications Associated with Oblique Lumbar Interbody Fusion: A Systematic Review

  • Quan Rui Tan,
  • Russell Andrew Wong,
  • Arun-Kumar Kaliya-Perumal and
  • Jacob Yoong-Leong Oh

20 November 2023

The main advantage of Oblique Lumbar Interbody Fusion (OLIF) is its ability to provide safe access to the lumbar spine while being a robust interbody fusion technique through a minimally invasive approach. This study reviews the postoperative complic...

  • Article
  • Open Access
19 Citations
2,918 Views
11 Pages

Single-Position Oblique Lumbar Interbody Fusion and Percutaneous Pedicle Screw Fixation under O-Arm Navigation: A Retrospective Comparative Study

  • Hyung Cheol Kim,
  • Yeong Ha Jeong,
  • Sung Han Oh,
  • Jong Min Lee,
  • Chang Kyu Lee,
  • Seong Yi,
  • Yoon Ha,
  • Keung Nyun Kim and
  • Dong Ah Shin

30 December 2022

The insertion of pedicle screws in the lateral position without a position change has been reported. We completed a retrospective comparison of the radiologic and clinical outcomes of 36 patients who underwent either single-position oblique lateral l...

  • Article
  • Open Access
3 Citations
1,843 Views
11 Pages

Hidden Blood Loss and Its Risk Factors for Oblique Lumbar Interbody Fusion

  • Jae Hyuk Yang,
  • Hong Jin Kim,
  • Minsu An,
  • Seung Woo Suh and
  • Dong Gune Chang

2 March 2024

(1) Background: The amount of blood loss during oblique lumber interbody fusion (OLIF) surgery is often underestimated and may contribute to adverse postoperative outcomes. This study aims to evaluate hidden blood loss (HBL) in patients who underwent...

  • Article
  • Open Access
1,601 Views
15 Pages

11 March 2025

Background/Objectives: Additional lateral fixation is a method with the potential to redistribute cage loading during oblique lumbar interbody fusion (OLIF). However, its biomechanical effects remain poorly understood. This study aimed to compare the...

  • Article
  • Open Access
940 Views
10 Pages

10 May 2025

Background/Objectives: Despite recent advances in minimally invasive extrapleural lateral approaches, oblique lateral interbody fusion (OLIF) at the upper lumbar level is often difficult and limited to optimal reconstruction. We aimed to compare the...

  • Article
  • Open Access
3 Citations
2,362 Views
12 Pages

Establishing a Standardized Clinical Consensus for Reporting Complications Following Lateral Lumbar Interbody Fusion

  • Gregory M. Mundis,
  • Kenyu Ito,
  • Nikita Lakomkin,
  • Bahar Shahidi,
  • Hani Malone,
  • Tina Iannacone,
  • Behrooz Akbarnia,
  • Juan Uribe and
  • Robert Eastlack

15 June 2023

Background and Objectives: Mitigating post-operative complications is a key metric of success following interbody fusion. LLIF is associated with a unique complication profile when compared to other approaches, and while numerous studies have attempt...

  • Article
  • Open Access
3 Citations
2,235 Views
10 Pages

Different Moro Zones of Psoas Major Affect the Clinical Outcomes after Oblique Lumbar Interbody Fusion: A Retrospective Study of 94 Patients

  • Zefeng Song,
  • Xingda Chen,
  • Zelin Zhou,
  • Wanyan Chen,
  • Guangye Zhu,
  • Rueishiuan Jiang,
  • Peng Zhang,
  • Shaohao Lin,
  • Xiaowen Wang and
  • Xiaobing Jiang
  • + 5 authors

27 January 2023

Oblique lumbar interbody fusion (OLIF) has been driven to the maturity stage in recent years. However, postoperative symptoms such as thigh paresthesia resulting from intraoperative retraction of the psoas major (PM) have sometimes occurred. The aim...

  • Article
  • Open Access
6 Citations
4,683 Views
10 Pages

Does Robotic Spine Surgery Add Value to Surgical Practice over Navigation-Based Systems? A Study on Operating Room Efficiency

  • Pirateb Paramasivam Meenakshi Sundaram,
  • Daniel Yang Yao Peh,
  • Jane Wenjin Poh,
  • Guna Pratheep Kalanchiam,
  • Wayne Ming Quan Yap,
  • Arun-Kumar Kaliya-Perumal and
  • Jacob Yoong-Leong Oh

23 December 2024

Background and Objectives: Spine surgery has undergone significant advancements, particularly with regard to robotic systems that enhance surgical techniques and improve patient outcomes. As these technologies become increasingly integrated into surg...

  • Article
  • Open Access
23 Citations
3,380 Views
10 Pages

Comparison of Simultaneous Single-Position Oblique Lumbar Interbody Fusion and Percutaneous Pedicle Screw Fixation with Posterior Lumbar Interbody Fusion Using O-arm Navigated Technique for Lumbar Degenerative Diseases

  • Ying Tan,
  • Masato Tanaka,
  • Sumeet Sonawane,
  • Koji Uotani,
  • Yoshiaki Oda,
  • Yoshihiro Fujiwara,
  • Shinya Arataki,
  • Taro Yamauchi,
  • Tomoyuki Takigawa and
  • Yasuo Ito

26 October 2021

Minimally invasive posterior or transforaminal lumbar interbody fusion (MI-PLIF/TLIF) are widely accepted procedures for lumbar instability due to degenerative or traumatic diseases. Oblique lateral interbody fusion (OLIF) is currently receiving cons...

  • Article
  • Open Access
426 Views
12 Pages

18 December 2025

Background/Objective: Oblique lumbar interbody fusion (OLIF) achieves indirect decompression through restoration of disc height. Because maintenance of the restored disc space is essential for sustained neural decompression, solid fusion without cage...

  • Article
  • Open Access
3 Citations
2,331 Views
13 Pages

Effects of the Severity of Stenosis on Clinical Outcomes of Indirect Decompression Using Oblique Lumbar Interbody Fusion

  • Dong-Ho Kang,
  • Jonghyuk Baek,
  • Bong-Soon Chang,
  • Hyoungmin Kim,
  • Seong Hwa Hong and
  • Sam Yeol Chang

28 July 2024

Background: No consensus has been reached regarding the efficacy of indirect decompression through oblique lumbar interbody fusion (OLIF) in severe lumbar spinal stenosis (LSS). This study investigated the impact of preoperative magnetic resonance im...

  • Article
  • Open Access
6 Citations
2,193 Views
5 Pages

Substantially High Hidden Blood Loss in Oblique Lateral Interbody Fusion: Retrospective Case Series

  • Koichiro Shima,
  • Takashi Sono,
  • Toshiyuki Kitaori and
  • Kazutaka Takatsuka

9 April 2022

Background and Objectives: Measured blood loss frequently underestimates true blood loss; this discrepancy is called hidden blood loss (HBL). The purpose of the present study was to measure HBL in oblique lateral interbody fusion (OLIF). Materials an...

  • Article
  • Open Access
10 Citations
7,614 Views
22 Pages

26 January 2021

Exploratory modelling of the impact of gold mining on groundwater in a strategic water area of South Africa was undertaken. A systems dynamics (SD) model was developed to simulate the impact of gold mining on water quality, focusing on groundwater co...

  • Article
  • Open Access
9 Citations
4,675 Views
16 Pages

The Impact of Exotic Tamarix Species on Riparian Plant Biodiversity

  • Kgalalelo Tshimologo Annie Setshedi and
  • Solomon Wakshom Newete

7 September 2020

This study investigated the impact of exotic Tamarix species on vascular plant biodiversity in riparian ecosystems in the Western Cape Province, South Africa. Vegetation was sampled, using 5 m wide belt transects, along the Leeu, Swart, and Olifants...

  • Article
  • Open Access
4,049 Views
17 Pages

18 February 2025

The Western Cape province is among the best wine-producing regions; however, the province has been facing environmental challenges due to the rapidly changing climate. This study analyses the projected changes in temperature and precipitation pattern...

  • Communication
  • Open Access
9 Citations
3,365 Views
10 Pages

Benthic macroinvertebrates and sediments can act as good indicators of environmental quality. The aim of this study was to assess the accumulation of chemical elements in the Gomphidae (Odonata) collected in the Blyde River. Seven sites were sampled...

  • Review
  • Open Access
17 Citations
6,292 Views
22 Pages

The Evolution of Lateral Lumbar Interbody Fusion: A Journey from Past to Present

  • Anthony Xi Jie Wong,
  • Derek Haowen Tang,
  • Arun-Kumar Kaliya-Perumal and
  • Jacob Yoong-Leong Oh

23 February 2024

Lumbar interbody fusion procedures have seen a significant evolution over the years, with various approaches being developed to address spinal pathologies and instability, including posterior lumbar interbody fusion (PLIF), transforaminal lumbar inte...

  • Article
  • Open Access
7 Citations
3,602 Views
25 Pages

Olive- and Coconut-Oil-Enriched Diets Decreased Secondary Bile Acids and Regulated Metabolic and Transcriptomic Markers of Brain Injury in the Frontal Cortexes of NAFLD Pigs

  • Magdalena A. Maj,
  • Tanvi R. Gehani,
  • Chad Immoos,
  • Mikaelah S. Medrano,
  • Rob K. Fanter,
  • Christine R. Strand,
  • Hunter Glanz,
  • Brian D. Piccolo,
  • Mohammed K. Abo-Ismail and
  • Rodrigo Manjarín
  • + 1 author

4 September 2022

The objective of this study was to investigate the effect of dietary fatty acid (FA) saturation and carbon chain length on brain bile acid (BA) metabolism and neuronal number in a pig model of pediatric NAFLD. Thirty 20-day-old Iberian pigs, pair-hou...

  • Article
  • Open Access
6 Citations
3,818 Views
12 Pages

Minimal Clinically Important Differences in Gait and Balance Ability in Patients Who Underwent Corrective Long Spinal Fusion for Adult Spinal Deformity

  • Tomoyoshi Sakaguchi,
  • Umesh Meena,
  • Masato Tanaka,
  • Hongfei Xiang,
  • Yoshihiro Fujiwara,
  • Shinya Arataki,
  • Takuya Taoka,
  • Kazuhiko Takamatsu,
  • Yosuke Yasuda and
  • Kayo Utsunomiya
  • + 1 author

12 October 2023

Study Design: Retrospective observational study. Background: The risk of a femoral neck fracture due to a fall after adult spinal deformity surgery has been reported. One of the most significant factors among walking and balance tests in post-operati...

  • Systematic Review
  • Open Access
6 Citations
5,034 Views
22 Pages

Current Trends and Future Directions in Lumbar Spine Surgery: A Review of Emerging Techniques and Evolving Management Paradigms

  • Gianluca Galieri,
  • Vittorio Orlando,
  • Roberto Altieri,
  • Manlio Barbarisi,
  • Alessandro Olivi,
  • Giovanni Sabatino and
  • Giuseppe La Rocca

13 May 2025

Background/Objectives: Lumbar spine surgery has undergone significant technological transformation in recent years, driven by the goals of minimizing invasiveness, improving precision, and enhancing clinical outcomes. Emerging tools—including r...