Displaying all 9 publications

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  1. Lee OS, Ahn S, Ahn JH, Teo SH, Lee YS
    Arch Orthop Trauma Surg, 2018 Feb;138(2):227-236.
    PMID: 29143167 DOI: 10.1007/s00402-017-2826-4
    INTRODUCTION: The purpose of this systematic review and meta-analysis was to evaluate the efficacy of concurrent cartilage procedures during high tibial osteotomy (HTO) for medial compartment osteoarthritis (OA) by comparing the outcomes of studies that directly compared the use of HTO plus concurrent cartilage procedures versus HTO alone.

    MATERIALS AND METHODS: Results that are possible to be compared in more than two articles were presented as forest plots. A 95% confidence interval was calculated for each effect size, and we calculated the I 2 statistic, which presents the percentage of total variation attributable to the heterogeneity among studies. The random effects model was used to calculate the effect size.

    RESULTS: Seven articles were included to the final analysis. Case groups were composed of HTO without concurrent procedures and control groups were composed of HTO with concurrent procedures such as marrow stimulation procedure, mesenchymal stem cell transplantation, and injection. The case group showed a higher hospital for special surgery score and mean difference was 4.10 [I 2 80.8%, 95% confidence interval (CI) - 9.02 to 4.82]. Mean difference of the mechanical femorotibial angle in five studies was 0.08° (I 2 0%, 95% CI - 0.26 to 0.43). However, improved arthroscopic, histologic, and MRI results were reported in the control group.

    CONCLUSION: Our analysis support that concurrent procedures during HTO for medial compartment OA have little beneficial effect regarding clinical and radiological outcomes. However, they might have some beneficial effects in terms of arthroscopic, histologic, and MRI findings even though the quality of healed cartilage is not good as that of original cartilage. Therefore, until now, concurrent procedures for medial compartment OA have been considered optional. Nevertheless, no conclusions can be drawn for younger patients with focal cartilage defects and concomitant varus deformity. This question needs to be addressed separately.

    Matched MeSH terms: Cartilage/surgery
  2. Loi HDK, Parhr AS, Subramaniam SK, Choo KE, Ng HP
    Med J Malaysia, 2004 Mar;59(1):126-8.
    PMID: 15535351
    Acquired subglottic stenosis is a compication or neonatal endotracheal intubation. Although it is rare, it contributes significantly to the morbidity and physical well being of post extubated neonates. A 20-day old neonate, ventilated for meconium aspiration syndrome and persistent fetal circulation, presented with marked stridor and respiratory embarrassment. A stenosed subglottic area was found on rigid bronchoscopy. Anterior cricoid split was performed to relieve the obstruction. He is asymptomatic post operatively.
    Matched MeSH terms: Cricoid Cartilage/surgery*
  3. Wong HT, Tham SY, Elangkumaran K, Ng W, Sia KJ
    Ann R Coll Surg Engl, 2017 Mar;99(3):e1-e2.
    PMID: 28071949 DOI: 10.1308/rcsann.2017.0010
    Fishbones are of particular interest to otolaryngologists. Most fishbones can be removed transorally or via endoscopic guidance. Transcervical neck exploration is occasionally necessary, especially in cases of an embedded foreign body. Computed tomography is the most sensitive and specific imaging modality for identifying embedded fishbones. To our knowledge, this is the first reported case of a laryngeal foreign body embedded in the paraglottic space that was removed using an open approach via a lateral thyroid cartilage window.
    Matched MeSH terms: Thyroid Cartilage/surgery
  4. Nasir ZM, Azman M, Baki MM, Mohamed AS, Kew TY, Zaki FM
    Surg Radiol Anat, 2021 Aug;43(8):1225-1233.
    PMID: 33388863 DOI: 10.1007/s00276-020-02639-9
    PURPOSE: This study aims to determine laryngeal dimension in relation to all three transcutaneous injection laryngoplasty (TIL) approaches (thyrohyoid, transthyroid and cricothyroid) using three-dimensionally reconstructed Computed Tomography (CT) scan and compare the measurements between sex, age group and ethnicity.

    METHODS: CT scans of the neck of two hundred patients were analysed by two groups of raters. For thyrohyoid approach, mean distance from the superior border of the thyroid cartilage to the laryngeal cavity (THd) and mean angle from the superior border of the thyroid cartilage to mid-true cords (THa) were measured. For transthyroid approach, mean distance from mid-thyroid cartilage to mid-true cords (TTd) and Hounsfield unit (HU) at mid-thyroid cartilage (TTc) were measured. For cricothyroid approach, mean distance from the inferior border of the thyroid cartilage to the laryngeal cavity (CTd) and mean angle from the inferior border of the thyroid cartilage to mid-true cords (CTa) were measured.

    RESULTS: There were statistically significant differences between males and females for all measurements except for CTa (p  0.05). There was a significant fair positive correlation between age and TTc (p = 0.0002). For all measurements obtained, there were moderate to excellent inter-group consistency and intra-rater reliability.

    CONCLUSION: This study demonstrated a significant sex dimorphism that may influence the three TIL approaches except for needle angulation in the cricothyroid approach. The knowledge of laryngeal dimension is important to increase success in TIL procedure.

    Matched MeSH terms: Cricoid Cartilage/surgery; Thyroid Cartilage/surgery
  5. Tang IP, Shashinder S, Kuljit S, Gopala KG
    Med J Malaysia, 2007 Mar;62(1):53-5.
    PMID: 17682572
    We reviewed the recurrence rate and possible factors influencing recurrence of preauricular sinus after excision. Seventy-one patients with 73 preauricular sinuses seen at our centre from year 2000 to 2005 were reviewed in this study. The overall recurrence rate was 14.1%. Twelve sinuses needed to be drained for an abscess prior to a definitive surgery. Different modalities used in demonstrating the sinus tract between methylene blue alone and probing together with methylene blue, showed different outcomes, which were statistically significant with a p value of < 0.05(chi-square test). A preauricular sinus with a previous history of infection or actively infected during the definitive surgery may have a higher tendency of recurrence. Meanwhile demonstrating the sinus tract by probing with lacrimal probe/sinus probe followed by injection of methylene blue reduces the recurrence rate (p < 0.05 with chi-square test).
    Matched MeSH terms: Ear Cartilage/surgery
  6. Adi O, Fong CP, Sum KM, Ahmad AH
    Am J Emerg Med, 2021 04;42:263.e1-263.e4.
    PMID: 32994082 DOI: 10.1016/j.ajem.2020.09.011
    Airway assessment is important in emergency airway management. A difficult airway can lead to life-threatening complications. A perfect airway assessment tool does not exist and unanticipated difficulty will remain unforeseen. Current bedside clinical predictors of the difficult airway are unreliable but airway ultrasound can be used as an adjunct to predict difficult laryngoscopy. We report a case of a 60-year-old man presenting to the emergency department with shortness of breath, hoarseness of voice and stridor. Airway ultrasound revealed a large laryngeal mass narrowing the upper airway, extending to bilateral vocal cords with heterogenous echogenicity. In view of impending complete upper airway obstruction, acute respiratory distress and airway ultrasound findings, urgent emergency tracheostomy was chosen as definitive airway over endotracheal intubation or surgical cricothyroidotomy. Point of care ultrasound (POCUS) was used to evaluate this patient with severe upper airway obstruction. A laryngeal mass was detected by ultrasound and this pointed towards the presence of a difficult airway. POCUS was a good non-invasive tool used for airway assessment in this uncooperative and unstable patient. Ultrasound predictors of the difficult airway include the inability to visualize the hyoid bone, short hyomental distance ratio, high pretracheal anterior neck thickness and large tongue size. Besides airway assessment, ultrasound can also help to predict endotracheal tube size, confirm intubation and guide emergency airway procedures such as cricothyroidotomy and tracheostomy. Point of care ultrasound of the upper airway can be used in airway assessment to identify distorted airway anatomy, pathological lesions and guide treatment decisions.
    Matched MeSH terms: Thyroid Cartilage/surgery
  7. Iqhbal M, Noor JM, Karim NA, Ismail I, Sanib H, Mokhtar MA, et al.
    Sultan Qaboos Univ Med J, 2018 May;18(2):e219-e222.
    PMID: 30210855 DOI: 10.18295/squmj.2018.18.02.017
    The use of ultrasonography in acute and critical care medicine is becoming increasingly common. However, use of an airway ultrasound as an adjunct to determine the type of intervention needed and assess complications is not common practice. We report a 56-year-old male who presented to the Emergency Department of the Sungai Buloh Hospital, Selangor, Malaysia, in 2015 with hoarseness, stridor and impending respiratory failure. A point-of-care ultrasound performed to assess the neck and vocal cords indicated a heterogeneous echogenic mass in the larynx, thus ruling out a cricothyroidotomy. The patient was therefore referred for an emergency tracheostomy. This case highlights the importance of point-of-care airway ultrasonography in the assessment of patients with stridor. This imaging technique not only helps to detect the cause of the stridor, but also to determine the feasibility of a cricothyroidotomy in emergency cases.
    Matched MeSH terms: Thyroid Cartilage/surgery
  8. Tan BY, Hsu PP
    J Laryngol Otol, 2004 Mar;118(3):185-8.
    PMID: 15068513
    Endochondral pseudocyst of the auricle is an uncommon condition that affects predominantly Chinese males, with many reports studying this condition in homogenous Chinese populations. There have been few large-scale reports describing the features of this disease among the other Asian groups. In one of the largest series described to date, we report the epidemiological features, clinico-pathologic characteristics, and success of surgical treatment in 40 patients of different Asian groups presenting with pseudocyst of the auricle. Results showed a Chinese predominance (90 per cent), followed by Malays (five per cent) and Eurasians (five per cent). All had unilateral presentations apart from one patient. Most (55 per cent) presented within two weeks of auricular swelling. Few (10 per cent) had a history of trauma. The pseudocysts predominantly affected the concha (61 per cent). Surgery comprised excision of the anterior wall followed by local pressure application. Only 2.5 per cent had recurrence after surgery. These findings confirm earlier understood features of this disease while revealing some notable variations.
    Matched MeSH terms: Ear Cartilage/surgery*
  9. Ude CC, Sulaiman SB, Min-Hwei N, Hui-Cheng C, Ahmad J, Yahaya NM, et al.
    PLoS One, 2014;9(6):e98770.
    PMID: 24911365 DOI: 10.1371/journal.pone.0098770
    In this study, Adipose stem cells (ADSC) and bone marrow stem cells (BMSC), multipotent adult cells with the potentials for cartilage regenerations were induced to chondrogenic lineage and used for cartilage regenerations in surgically induced osteoarthritis in sheep model.
    Matched MeSH terms: Cartilage/surgery
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