Anatomical differences in the abdominal wall between animal species with implications for the transversus abdominis plane block: a systematic review

Cevik, Jevan; Hunter-Smith, David James; Rozen, Warren M.

doi:10.1007/s00276-022-02991-y

Cited by 3 publications

(6 citation statements)

References 40 publications

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“…Te results of this study using mouse LDI model suggest the possibility of ASCLT for clinical application of lymphatic regenerative medicine. However, it is necessary to take into account that mice and humans have diferent skin thicknesses, and humans lack dermal muscles, termed panniculus carnosus muscle, in the trunk and limbs [44,45]. Tese suggest that the dynamics of lymphatic drainage between mice and humans may difer signifcantly.…”

Section: Discussionmentioning

confidence: 99%

Lymphatic Drainage-Promoting Effects by Engraftment of Artificial Lymphatic Vascular Tissue Based on Human Adipose Tissue-Derived Mesenchymal Stromal Cells in Mice

Asano,

Shimoda,

Okano

et al. 2023

Journal of Tissue Engineering and Regenerative Medicine

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Regenerative medicine using lymphatic vascular engineering is a promising approach for treating lymphedema. However, its development lags behind that of artificial blood vascular tissue for ischemic diseases. In this study, we constructed artificial 3D lymphatic vascular tissue, termed ASCLT, by co-cultivation of ECM-nanofilm-coated human adipose tissue-derived mesenchymal stromal cells (hASCs) and human dermal lymphatic endothelial cells (HDLECs). The effect of hASCs in lymphatic vessel network formation was evaluated by comparison with the tissue based on fibroblasts, termed FbLT. Our results showed that the density of lymphatic vascular network in ASCLT was higher than that in FbLT, demonstrating a promoting effect of hASCs on lymphatic vascular formation. This result was also supported by higher levels of lymphangiogenesis-promoting factors, such as bFGF, HGF, and VEGF-A in ASCLT than in FbLT. To evaluate the therapeutic effects, FbLTs and ASCLTs were subcutaneously transplanted to mouse hindlimb lymphatic drainage interruption models by removal of popliteal and subiliac lymph nodes. Despite the restricted engraftment of lymphatic vessels, ASCLT promoted regeneration of irregular and diverse lymphatic drainage in the skin, as visualized by indocyanine green imaging. Moreover, transplantation of ASCLT to the popliteal lymph node resection area also resulted in lymphatic drainage regeneration. Histological analysis of the generated drainage visualized by FITC-dextran injection revealed that the drainage was localized in the subcutaneous area shallower than the dermal muscle. These findings demonstrate that ASCLT promotes lymphatic drainage in vivo and that hASCs can serve as an autologous source for treatment of secondary lymphedema by tissue engineering.

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Section: Discussionmentioning

confidence: 99%

Lymphatic Drainage-Promoting Effects by Engraftment of Artificial Lymphatic Vascular Tissue Based on Human Adipose Tissue-Derived Mesenchymal Stromal Cells in Mice

Asano,

Shimoda,

Okano

et al. 2023

Journal of Tissue Engineering and Regenerative Medicine

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“…The experimental study was performed by the Department of Anesthesiology of the General Hospital of Patras from January 2021 to August 2023 and was approved by the Scientific Committee of the General Hospital of Patras. Taking into consideration the anatomic similarities between human and porcine abdominal wall structures, the conduction of the experiments took place on cadaveric pig models [ 8 ]. Except for the abdominal wall, any other parts of the pig cadaveric body were excluded from the study.…”

Section: Methodsmentioning

confidence: 99%

Double-Edge, Single-Edge, and Intermediate-Edge Ultrasound Sign and Correlation With Fascial Plane Block Efficacy: An Experimental Study

Boviatsis,

Triantopoulos

2024

Cureus

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Introduction Ultrasound-guided fascial plane blocks are nowadays the gold standard technique for regional anesthesia and postoperative analgesia. Despite their high success rate, cases of partial or total failure of this method have been reported. This experimental study aims to address the corresponding ultrasound signs and their association with fascial plane block efficacy. Methods After capturing the appropriate sonographic image that included muscle layers and their fasciae, an 18-gauge epidural needle penetrated the cadaveric porcine tissue and was forwarded until the tip of the needle reached the target fascial plane. The infusion of methylthioninium chloride or methylene blue dye was performed, causing tissue hydro dissection. The documentation of the generated ultrasound images was followed by surgical exposure of the tip of the needle. Results The distribution of the dye into the plane of interest (double-edge sign) was equivalent to block success, whereas the single-edge sign (accumulation of the dye between fascia and epimysium) indicated total block failure. The intermediate-edge sign, a combination of the previous ultrasound signs, is related to partial failure of block performance. Conclusion The identification of the three novel sonographic signs is an accurate predictive factor of peripheral nerve block efficacy. The respective data are expected to aid the rapid improvement of interfascial plane block accuracy and techniques, leading to their more effective execution and simultaneously eliminating the failure rates. Thereby, the amelioration of intra and postoperative analgesia will be accomplished, expediting the patient's hospital discharge and reducing or even avoiding opioid consumption.

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“…A 6-13 MHz linear US transducer was positioned midway between the caudal aspect of the last rib and the cranial aspect of the iliac crest (Figure 4 success rate in staining the ventral branches of nerves T16-L2 (Baldo et al, 2018). The authors speculated that a TAP block performed using a flank approach will only desensitise the middle to caudal and ventral abdominal wall and parietal peritoneum, not the cranial abdominal wall (Baldo et al, 2018), due to the innervation of the equine abdominal wall originating from spinal nerves ranging from T5 to L2 (Cevik et al, 2022). Like any other cadaveric study, the efficacy and safety profile of these locoregional techniques must be validated through in vivo studies.…”

Section: Transversus Abdominus Plane Blockmentioning

confidence: 99%

“…The transversus abdominus plane (TAP) block desensitises the sensory branches of the thoracic and lumbar spinal nerves, which run within the interfascial plane between the transversus abdominis and internal oblique muscles. Local anaesthetic injection into this fascial plane should anaesthetise the relevant areas of skin, abdominal wall muscles and parietal peritoneum (Cevik et al., 2022). Ultrasound is commonly used to accurately locate the targeted fascial plane prior to injection in humans, dogs, cats and horses (Cevik et al., 2022).…”

Section: Ultrasound‐guided Nerve Blocksmentioning

confidence: 99%

“…Local anaesthetic injection into this fascial plane should anaesthetise the relevant areas of skin, abdominal wall muscles and parietal peritoneum (Cevik et al., 2022). Ultrasound is commonly used to accurately locate the targeted fascial plane prior to injection in humans, dogs, cats and horses (Cevik et al., 2022). When performed successfully, the TAP block can be beneficial in desensitising the ventral abdominal wall, providing analgesia and muscle relaxation during abdominal surgical procedures.…”

Section: Ultrasound‐guided Nerve Blocksmentioning

confidence: 99%

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Objective methods of nerve localisation to facilitate performing locoregional anaesthetic techniques for horses undergoing surgical procedures

Louro,

Loomes,

Bardell

2024

Equine Veterinary Education

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SummaryPerineural anaesthesia is a useful technique in equine surgery, providing pre‐emptive targeted anaesthesia of the surgical site, reducing volatile anaesthetic requirements, improving recovery quality and providing postoperative pain relief. Surgery under standing sedation in horses has increased in popularity, mandating the need for effective locoregional anaesthesia and analgesic techniques. Nerve location techniques offer greater accuracy than blind techniques when placing injectate. These methods can help to avoid structures such as blood vessels and minimise direct nerve damage during needle placement, reducing the risk of procedure‐related complications. This review will discuss the most pertinent research in the veterinary literature where objective methods of nerve location have been used to perform peripheral nerve blocks in horses. The efficacy of using objective methods to perform nerve blocks in equine anaesthesia is discussed by the authors, providing useful information to equine anaesthetists, and potentially improve the quality of anaesthesia and analgesia in horses.

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Anatomical differences in the abdominal wall between animal species with implications for the transversus abdominis plane block: a systematic review

Cited by 3 publications

References 40 publications

Lymphatic Drainage-Promoting Effects by Engraftment of Artificial Lymphatic Vascular Tissue Based on Human Adipose Tissue-Derived Mesenchymal Stromal Cells in Mice

Lymphatic Drainage-Promoting Effects by Engraftment of Artificial Lymphatic Vascular Tissue Based on Human Adipose Tissue-Derived Mesenchymal Stromal Cells in Mice

Double-Edge, Single-Edge, and Intermediate-Edge Ultrasound Sign and Correlation With Fascial Plane Block Efficacy: An Experimental Study

Objective methods of nerve localisation to facilitate performing locoregional anaesthetic techniques for horses undergoing surgical procedures

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