CT scans (Somatom ART; Siemens Medical Solutions, Erlangen, Germany) of both shoulders were performed with the sheep in supine position, under general anesthesia. The baseline measurement was conducted directly after surgery (i.e., 30 min after tendon release) and all follow‐up scans were performed before surgery. Axial images (slice thickness: 1 mm, tube voltage: 120 kV, tube current: 200 mA/slice) were acquired and reconstructed in the coronal plane. All measurements were performed blinded. Infraspinatus muscle volume and CSA were assessed on both sides using the free‐hand ROI (region of interest) tool in the Merlin PACS software (v5.121375, Phönix, Freiburg i. Br., Germany) as follows: Muscle volume was calculated from areas assessed on axial images at every 4 mm by drawing a ROI surrounding the outer muscle contour. CSA was measured on a standardized coronal slice defined as lying 1 cm anterior to the anterior end of the pump (where the catheter outlet was expected). Muscle length was measured at its longest diameter on axial slices from posterior to anterior including the distal tendon stump, but excluding the bone chip on the operated side, or until bone insertion on the contralateral side, respectively.
Somatom art
Manufactured by Siemens
Sourced in Germany
The Somatom ART is a computed tomography (CT) imaging system developed by Siemens. It is designed to capture high-quality images of the human body. The core function of the Somatom ART is to provide detailed scans of anatomical structures for diagnostic and clinical purposes.
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Lab products found in correlation
3 protocols using somatom art
1
Infraspinatus Muscle Volume Assessment
2
Quantifying Muscle Composition with CT and MRI
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CT and MRI were conducted as previously established.13 (link)
CT was carried out with a Somatom ART (Siemens Medical Solutions) to
document musculotendinous retraction and to record the density of the muscle
tissue in Hounsfield units. MRI was performed with a 3.0-T system using a
dedicated receive-only extremity coil (Philips Ingenia 3T with dStream body coil
solution; Philips AG) to determine muscle volume, fat, and water fraction in
voxels corresponding to the targeted regions as identified by the radiodense
sutures.
CT was carried out with a Somatom ART (Siemens Medical Solutions) to
document musculotendinous retraction and to record the density of the muscle
tissue in Hounsfield units. MRI was performed with a 3.0-T system using a
dedicated receive-only extremity coil (Philips Ingenia 3T with dStream body coil
solution; Philips AG) to determine muscle volume, fat, and water fraction in
voxels corresponding to the targeted regions as identified by the radiodense
sutures.
3
Scots Pine Log Analysis Using CT Scans
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The study was based on the Swedish Pine Stem Bank which in total contains 712 Scots pine logs [23] . The stem bank trees, from well-documented sites at different locations in Sweden, have been documented thoroughly regarding both tree properties and silvicultural treatments. They have been scanned with a medical CT scanner (Siemens SOMATOM AR.T) to record internal properties such as knots, and also the outer shape of the log [23] . Knots are described by a parameterized model, which takes into account curvature of the knot and diameter in two log directions, tangential and longitudinal. Each knot is divided into a living part and a dead part. Details on the log and knot models are given by Gro ¨nlund et al. [23] and Nordmark [24] .
For this study, only logs with a top diameter of 156-167 mm were used. This corresponds to one of the sawing classes in the industrial case study described by Broman et al. [21] , where two centerboards of dimensions 50 9 100 mm nominal dimensions were sawn. In the study at hand, the same sawing pattern was used. 47 logs from the stem bank fell into the top diameter interval 156-167 mm, and these were subsequently used for this study.
For this study, only logs with a top diameter of 156-167 mm were used. This corresponds to one of the sawing classes in the industrial case study described by Broman et al. [21] , where two centerboards of dimensions 50 9 100 mm nominal dimensions were sawn. In the study at hand, the same sawing pattern was used. 47 logs from the stem bank fell into the top diameter interval 156-167 mm, and these were subsequently used for this study.
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