Skripsi
ANALISIS PENGGUNAAN SEKUENS T2 SHORT TAU INVERSION RECOVERY (STIR) DAN T2 SPECTRAL ADIABATIC INVERSION RECOVERY (SPAIR) TERHADAP KUALITAS CITRA PADA PEMERIKSAAN MRI KNEE POTONGAN SAGITAL DI RUMAH SAKIT PERSAHABATAN
Research Background: In knee joint MRI examinations, several fat suppression techniques are commonly used, including Short Tau Inversion Recovery (STIR) and Spectral Adiabatic Inversion Recovery (SPAIR). In this matter, the STIR sequence offers the advantage of homogeneous fat suppression and high sensitivity to edema; however, it is limited by a relatively lower signal-to-noise ratio (SNR). In contrast, the T2 SPAIR sequence is more selective, providing higher SNR, sharper images, and improved contrast compared to STIR. These characteristics make SPAIR more optimal for the evaluation of traumatic and degenerative conditions of the knee joint.rnrnResearch Objective: This research aims to analyse the image quality of sagittal knee joint MRI using the T2 STIR and T2 SPAIR sequences.rnrnResearch Design: This research applied a descriptive quantitative method with an observational approach and was conducted at Persahabatan Hospital starting from September 1 up to December 1, 2025. As for the research population, it consisted of all patients undergoing knee joint MRI examinations. A total of 16 participants were included, each undergoing sagittal knee joint MRI using both T2 STIR and T2 SPAIR sequences. Research instruments included standardized data recording sheets to document research findings and questionnaires for image quality scoring. While the data collection was carried out through among the other things direct field observation and experimental imaging using the T2 STIR and T2 SPAIR sequences. Subsequently, data processing and analysis were then performed through data reduction, followed by statistical analysis using statistical software.rnrnResearch Results: As the results, this research demonstrated that there are the differences in sagittal knee joint MRI image quality between the T2 STIR and T2 SPAIR sequences. Statistically significant differences were observed in the image quality assessment between the two sequences, with the T2 SPAIR sequence providing superior image quality compared to the T2 STIR sequence. These findings indicate that the null hypothesis (H₀) was rejected and the alternative hypothesis (H₁) was accepted.
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