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1.
Injury ; 55(7): 111562, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38649314

ABSTRACT

BACKGROUND: Optimal treatment of patients with rib fractures requires identification of those patients at risk of pulmonary complications. It is also important to determine which patients would benefit from Surgical Stabilisation of Rib Fractures (SSRF). This study aims to validate two scoring systems (RibScore and SCARF score) in predicting complications and association with SSRF in an Australian trauma population. Clinical observation suggests that complications and criteria for SSRF is associated with anatomical and physiological factors. Therefore it is hypothesized that utilisation of an anatomical (RibScore) and physiological (SCARF) in conjunction will have improved predictive ability. METHOD: Retrospective cohort study of rib fracture patients admitted to an Australian Level I trauma centre from Jan 2017 to Jan 2021. RibScore and SCARF score were calculated. Multivariate logistic regression was performed to determine risk factors associated with complications and SSRF, as well the scoring systems' ability via ROC AUC. RESULTS: 1157 patients were included. Higher median RibScore (1vs0; p < 0.001) and SCARF score (3vs1, p < 0.001) was associated with development of complications. Similarly for SSRF, RibScore (3vs0; p < 0.001), SCARF score (3vs1; p < 0.001) were higher. On multivariate analysis, increasing RibScore and SCARF score were associated with an increased risk of respiratory failure, pneumonia, death, and SSRF. The sensitivity for a patient with a high risk score in either RibScore or SCARF increased to 96.3 % in identifying pulmonary complications (from 66.7 % in RibScore and 88 % in SCARF, when used individually) and 91.9 % in identifying association with SSRF (from 86.5 % in RibScore and 70.3 % in SCARF). CONCLUSION: RibScore and SCARF score demonstrate predictive ability for complications and SSRF in an Australian trauma rib fracture population. Combining a radiological score with a clinical scoring system demonstrates improved sensitivity over each score individually for identifying patients at risk of complications from rib fractures, those who may require SSRF, and those who are low risk. STUDY TYPE: Retrospective Cohort Study LEVEL OF EVIDENCE: Level III.


Subject(s)
Rib Fractures , Humans , Rib Fractures/complications , Rib Fractures/physiopathology , Female , Male , Retrospective Studies , Middle Aged , Australia/epidemiology , Adult , Aged , Trauma Centers , Predictive Value of Tests , Risk Factors , Injury Severity Score , Fracture Fixation, Internal/methods , Risk Assessment , Postoperative Complications/epidemiology
2.
ANZ J Surg ; 92(10): 2607-2612, 2022 10.
Article in English | MEDLINE | ID: mdl-35848587

ABSTRACT

BACKGROUND: Sentinel lymph node biopsy (SLNB) has been pivotal for pathological assessment of nodal status in cutaneous melanoma (CM) and oral cavity squamous cell carcinoma (OCSCC) thus crucial for staging. An ideal agent for lymphatic mapping should have a standardized preparation, appropriate accumulation in first-echelon nodes and no side effects. Tilmanocept, a CD206-receptor targeted novel radiotracer fulfils these properties. This study investigated Tilmanocept for lymphoscintigraphy and intraoperative identification of sentinel lymph nodes (SLN) in CM and OCSCC. METHODS: This prospective cross sectional study examined patients who presented to Crown Princess Mary Cancer Centre, Westmead Hospital, Sydney. Patients had biopsy proven tumours with clinically and radiologically negative regional lymph nodes. Tilmanocept guided lymphoscintigraphy was followed by intraoperative SLNs identification via handheld gamma probe. Primary endpoints were detection and retrieval rate of SLNs while secondary endpoints included pathological status of SLNs. RESULTS: Thirty-five patients were included (26 with CM and 9 with OCSCC) with the most common primary tumour site for CM on the extremities (33.3%). Lymphoscintigraphy with Tilmanocept identified at least 1 SLN (sensitivity 100%) in all patients. SLNs were retrieved in all of patients intraoperatively (100% retrieval rate) with positive nodes found in 20% of patients. Tilmanocept also demonstrated 100% tissue specificity, with lymph nodal tissue confirmed histologically, with no false positives. CONCLUSION: Tilmanocept is a reliable radiotracer for assessing the nodal status in patients with CM and OCSCC. Our group is the first to evaluate the use of Tilmanocept in the Australian setting, adding to the limited studies worldwide.


Subject(s)
Carcinoma, Squamous Cell , Melanoma , Mouth Neoplasms , Skin Neoplasms , Australia , Carcinoma, Squamous Cell/diagnostic imaging , Carcinoma, Squamous Cell/pathology , Carcinoma, Squamous Cell/surgery , Cross-Sectional Studies , Humans , Lymph Nodes/pathology , Lymphatic Metastasis/pathology , Melanoma/diagnostic imaging , Melanoma/pathology , Melanoma/surgery , Mouth Neoplasms/diagnostic imaging , Mouth Neoplasms/pathology , Mouth Neoplasms/surgery , Prospective Studies , Radiopharmaceuticals , Sentinel Lymph Node Biopsy , Skin Neoplasms/pathology , Technetium Tc 99m Pentetate , Melanoma, Cutaneous Malignant
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