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Target Lesion (target + lesion)
Terms modified by Target Lesion Selected AbstractsThe AST petal dedicated bifurcation stent: First-in-human experienceCATHETERIZATION AND CARDIOVASCULAR INTERVENTIONS, Issue 3 2007John Ormiston MBChB Abstract The aim of this first-in-human study was to evaluate the feasibility and safety of the novel AST petal side-access bifurcation stent. Outcomes following percutaneous coronary intervention for bifurcations remain inferior to those of nonbifurcated lesions. Even with drug-eluting stents, restenosis occurs especially at the side-branch (SB) ostium. The petal stent uniquely deploys strut elements into the SB, supporting the ostium and carina. The primary endpoint of this 13-patient prospective registry was in-hospital major adverse cardiac events (MACE). Secondary end points included acute minimum lumen diameter (MLD) at the SB ostium, lesion success, device success, procedural success, 30-day MACE, and 4-month SB ostial MLD. The study lesion was successfully treated in 13 patients with the study stent being successfully implanted in 12. Target lesions were left anterior descending coronary artery in nine subjects, left circumflex in three, and right coronary artery in one. In-hospital MACE were limited to two non-Q-wave myocardial infarctions. In-stent main branch MLD increased from a mean of 0.63 ± 0.45 mm to 2.61 ± 0.47 mm at the index procedure and for this initial bare metal version of the stent, 4-month mean MLD measured 1.02 ± 0.42mm and there was target vessel revascularization on two patients. The feasibility of safely deploying this first-generation petal stent was demonstrated in selected patients with challenging coronary bifurcation lesions. It is a promising platform for drug delivery, with unique scaffolding of the side-branch ostium. © 2007 Wiley-Liss, Inc. [source] Cryopreservable neutrophil surrogates: Granule-poor, motile cytoplasts from polymorphonuclear leukocytes home to inflammatory lesions in vivoCYTOSKELETON, Issue 5 2006Stephen E. Malawista Abstract Cytokineplasts (CKP) are anucleate, motile, granule-poor fragments induced from polymorphonuclear leukocytes on surfaces by the brief application of heat. Derived from the peripheral cytoplasm and membranes of PMN, they retain the sensing, transducing, and effector mechanisms necessary for chemotaxis and phagocytosis, and appear to represent a functional, self-purification of the motile apparatus. Unlike their parent PMN, CKP are cryopreservable. We have shown that they can adhere to endothelial cell monolayers, open interendothelial cell junctions, and migrate to the abluminal side when stimulated by a chemoattractant. Employing an animal model, we now show that, given intravenously, they can home to an inflammatory target lesion in vivo. Cell Motil. Cytoskeleton 2006. © 2006 Wiley-Liss, Inc. [source] ENDOSCOPIC SUBMUCOSAL DISSECTION FOR ESOPHAGEAL SQUAMOUS CELL NEOPLASMSDIGESTIVE ENDOSCOPY, Issue 2 2009Mitsuhiro Fujishiro Endoscopic submucosal dissection (ESD) has gradually gained acceptance as one of the standard treatments for early esophageal cancer, as well as for early gastric cancer in Japan, but standardization of the knowledge is still incomplete. The final goal to perform ESD is not to resect the lesion in an en bloc fashion, but to save the patient from esophageal cancer-related death. Thus, the indications should be considered based on the entire patient, not just the target lesion itself, and pre-, peri- and postoperative management of the patient is also very important, as well as technical aspects of ESD. In terms of the techniques of ESD, owing to refinement of the procedural strategy, invention of the devices, and the learning curve, acceptable safety and favorable middle-term efficacy have been obtained. We believe that ESD will become a standard treatment for early esophageal cancer not only in Japan but also worldwide in the near future. [source] THE TECHNICAL FUNDAMENTALS OF ENDOSCOPIC MUCOSAL RESECTION IN THE COLON: OUR METHODDIGESTIVE ENDOSCOPY, Issue 2004Yasushi Oda ABSTRACT Endoscopic mucosal resection (EMR) is the technique used to resect flat or depressed tumors or larger tumors such as laterally spreading tumors with marginal normal mucosa. Recently, endoscopic mucosal dissection technique has been rapidly accepted, mainly in early gastric cancer in Japan. We need to have firm knowledge of EMR technique in the colon for recovery as we advance this new technique. We describe our conventional EMR method practically. EMR should be performed to locate the target lesion at down side to perform sure EMR. The ideal shape of upheaval by saline injection is hemisphere. The needle sheath and snare should be taken out a little of the endoscopy to manipulate firmly. Another technique of secure EMR is the snare manipulation. We prefer that the shape of the snare is circular and the snare is hard. It is important while trapping to press the target lesion with both the whole snare circle and the end of the sheath. With these fundamental procedures we could resect the target lesions at will. [source] Efficacy and safety of pimecrolimus cream 1% in adult patients with vitiligo: Results of a randomized, double-blind, vehicle-controlled studyJOURNAL DER DEUTSCHEN DERMATOLOGISCHEN GESELLSCHAFT, Issue 11 2006Markus Dawid Pimecrolimus; Elidel®; Vitiligo Summary Background: Vitiligo is an acquired, pigmentary skin disorder which is disfiguring and difficult to treat. In an earlier open label study in adult patients with vitiligo, pimecrolimus cream 1% was reported to have similar efficacy as clobetasol propionate 0.05%. We performed a double-blind, intrapatient comparison of pimecrolimus cream 1% with placebo cream. Patients and methods: Twenty adult Caucasians with symmetrical vitiligo (predominantly on extremities, none in the face) were treated b.i.d. for 6 months left/right with pimecrolimus/vehicle (N = 10) or vehicle/pimecrolimus (N = 10), respectively. Primary efficacy endpoint was the size of the target lesion at month 6 and secondary efficacy endpoint was re-pigmentation. Results: Treatment with pimecrolimus cream 1% or vehicle resulted in no significant change in mean target lesion size. Modest repigmentation (1,25%) was noted with pimecrolimus at month 2 in 12 of 17 patients (vehicle: 9 of 17 patients). Afterwards, the number of patients who experienced an improvement of pigmentation steadily decreased (3 of 14 patients with pimecrolimus and 2 of 14 with placebo at month 6).Treatment was well tolerated. There were no treatment-related adverse events, no induction of skin atrophy nor any other application site side effects. Conclusion: In this group of adult patients with symmetrical vitiligo, treatment of body lesions (except face) with pimecrolimus cream 1% could not be shown to be effective. Zusammenfassung Hintergrund: Vitiligo ist eine erworbene Pigmentstörung der Haut, die entstellend und schwer zu behandeln ist. In einer früheren offenen Studie an erwachsenen Patienten mit Vitiligo wurde mit Pimecrolimus-Creme 1% eine ähnliche Wirksamkeit beobachtet wie mit Clobetasol propionat 0.05%. Bei der vorliegenden Studie handelte es sich um einen doppelblinden, intraindividuellen Vergleich von Pimecrolimus-Creme 1% und Plazebo-Creme. Patienten und Methodik: Zwanzig erwachsene Patienten weißer Hautfarbe mit symmetrischer Vitiligo (vorwiegend an den Extremitäten) wurden zweimal täglich über 6 Monate im Halbseitenvergleich mit Pimecrolimus/Cremegrundlage (N = 10) oder Cremegrundlage/Pimecrolimus (N = 10) behandelt. Primärer Endpunkt war die Größe der behandelten Läsion, sekundärer Endpunkt der Prozentsatz an Repigmentierung. Ergebnisse: Die Behandlung mit Pimecrolimus-Creme 1% oder Vehikel ergab keine signifikante ,nderung der durchschnittlichen Größe der Läsion. Eine mäßige (1,25%) Repigmentierung wurde mit Pimecrolimus bei 12 von 17 (Grundlage:9 von 17) Patienten in Monat 2 beobachtet. Anschließend nahm die Anzahl der Patienten, die eine Repigmentierung aufwiesen, kontinuierlich ab (3 von 14 unter Pimecrolimus, 2 von 14 unter Grundlage im Monat 6). Die Behand-lung wurde gut vertragen. Es gab keine behandlungsbedingten Zwischenfälle und keine Induktion von Hautatrophie oder irgendwelche anderen Nebenwirkungen an der Applikationsstelle. Schlussfolgerung: In dieser Gruppe erwachsener Patienten mit symmetrischer Vitiligo konnte eine Wirksamkeit der Behandlung von Läsionen am Körper (nicht Gesicht) mit Pimecrolimus-Creme nicht gezeigt werden. [source] Use of transrectal ultrasound-guided biopsy in the diagnosis of pelvic malignanciesJOURNAL OF CLINICAL ULTRASOUND, Issue 9 2006Ludwig Rinnab MD Abstract Purpose. To describe our experience with transrectal ultrasound (TRUS)-guided needle biopsy of pelvic malignancies. Methods. Eleven patients with clinical suspecion of advanced malignant pelvic tumor were referred to our institution with a history of unsuccessful CT-guided biopsy, although a target lesion was demonstrated on pelvic CT or MRI. Cholin-PET and FDG-18-PET were also obtained individually in each patient. TRUS was performed using a commercially available three-dimensional scanner. Biopsies were performed with an 18G biopsy gun. In 9 of 11 patients, biopsy was successfully performed under analgesia, whereas general anesthesia was required in the other 2 patients. Results. The lesions were identified with TRUS in all patients, and biopsies were taken successfully under TRUS guidance. In all patients, the harvested material was of excellent quality and was adequate for definitive pathological diagnosis. Pathological results included 6 nodal metastases from transitional cell carcinoma, 1 case of lymph node metastasis from prostate cancer, 1 paravesical recurrence of cervical cancer, 1 metastasis from cecal cancer, and 2 cases of paravesical metastasis of a gastric cancer. Conclusion. TRUS-guided biopsy is a useful technique for the diagnosis of pelvic malignancies. It is faster and less expensive than CT-guided biopsy, and in most cases sufficient material can be harvested for a definitive pathological diagnosis. © 2006 Wiley Periodicals, Inc. J Clin Ultrasound, 2006 [source] Clinical and Angiographic Outcome after Cutting Balloon AngioplastyJOURNAL OF INTERVENTIONAL CARDIOLOGY, Issue 1 2003JOHANN AUER M.D. The cutting balloon is a new device for coronary angioplasty, that, by the combination of incision and dilatation of the plaque, is believed to be promising for treatment of in-stent restenosis. The purpose of the study was to evaluate the safety and efficacy of CBA. We reviewed the immediate and 6-month follow-up angiographic and clinical outcome of 147 patients (109 men and 38 women) with a mean age of67.3 ± 10undergoing this procedure at eight interventional centers in Austria. The target lesions treated with CBA were in-stent restenosis in 61% of patients, stenosis after balloon angioplasty in 8% of patients, and native lesions in 33% of patients. Sixty-five percent of the patients included had multivessel disease. Lesion type was A in 18% of patients, B1 in 31% of patients, B2 in 39% of patients, and C in 12% of patients. The degree of stenosis was87%± 9%,the length of the target lesion treated with CBA was8.8 ± 5.1 mm. Target vessel was left circumflex artery in 22 cases, right coronary artery in 36 cases, and left anterior descending artery in 89 cases. The overall procedural success rate was 90.5%. "Stand-alone" CBA was performed in 63% of patients, the procedure was combined with coronary stenting in 16% of patients, and with balloon angioplasty in 21% of patients. Coronary complications occurred in eight cases (5.4%) with coronary dissection in seven (total dissection rate of 4.7%) and urgent bypass surgery in one case (0.7%). No further complications such as death, occlusion, or perforation of coronary arteries, embolization, or thrombosis were observed. Six-month clinical follow-up revealed q-wave myocardial infarction in 2.7% of patients, aortocoronary bypass surgery in 8.5% of patients, and repeated percutaneous coronary intervention in 17% of patients (11.5% with stenting). Six-month angiographic follow-up of patients with recurrent angina showed target lesion restenosis (>50% diameter stenosis) in 14% of patients, late lumen loss with ,50% diameter stenosis in 6% of patients and progression of "other than target" lesions with >50% diameter stenosis in 14% of patients. This series demonstrates the safety and feasibility of cutting balloon angioplasty in patients with complex coronary artery disease and in-stent restenosis. (J Interven Cardiol 2003;16:15,21) [source] The Long-Term Consequences of Lost Intracoronary StentsJOURNAL OF INTERVENTIONAL CARDIOLOGY, Issue 5 2002DENNIS W. DUNNING M.D. The aim of the study was to determine the incidence of lost or misplaced stents and to identify associated immediate- and long-term consequences. The study reviewed 11,881 cases with one or more intracoronary stents. From this group 40 cases were identified where stents were prematurely displaced from the stent delivery device. Sixteen were removed with bioptomes or snares. Three were removed surgically. Of the 21 remaining stents, 7 were deployed at a site remote from the target lesion and 14 were lost. Nine of the 14 were known to be below the aortoilliac bifurcation and the other 5 embolized to unknown locations. Stent loss is rare in intracoronary intervention. Removal or peripheral deployment is the best option, but there was no immediate or long-term morbidity associated with lost stents in this study. [source] Electrolytic ablation is as effective as radiofrequency ablation in the treatment of artificial liver metastases in a pig modelJOURNAL OF SURGICAL ONCOLOGY, Issue 2 2008Sebastian Hinz MD Abstract Background The best treatment option for liver metastases is complete surgical resection. Unfortunately, at the time of diagnosis, not all patients are candidates for complete resection. Electrolytic therapy (ECT) is a novel non-thermal method of tissue destruction. We evaluated its safety and effectiveness in comparison with radiofrequency ablation (RFA). Methods Tumor mimics were created by injecting a gel into the pig liver. The volume of the lesions was measured by ultrasound before treatment. The tumor mimics were treated with either RFA or electrolytic ablation. 48 h after treatment the liver was fixed in formalin and subjected to histological examination. Results Histological investigation confirmed that all lesions were completely surrounded by necrosis after treatment with either ECT or RFA. Two different types of necrosis were identified. After RFA the cell membranes disappeared but the nuclei were still intact, whereas after ECT these structures were completely disrupted. After ECT the necrosis was often surrounded by infiltrating lymphocytes. This inflammatory reaction was not apparent after RFA. Conclusion ECT produced predictable and reproducible necrosis in pig livers and was as effective as RFA at destroying a defined target lesion. A local inflammatory reaction after ECT may favour the development of a systemic immune response. Our results indicate that ECT is an alternative treatment option for irresectable liver metastases. J. Surg. Oncol. 2008;98:135,138. © 2008 Wiley-Liss, Inc. [source] Efficacy and safety of topical tacrolimus for the treatment of face and neck vitiligoTHE JOURNAL OF DERMATOLOGY, Issue 2 2010Yuan-Hsin LO Abstract Vitiligo is a common acquired idiopathic hypomelanotic disorder characterized by circumscribed depigmented maculae. The conventional treatments are limited by their inconsistent and incomplete responses, relapse rate, inconvenience to apply, side-effects and especially long-term effects. The aim of the present study was to determine the efficacy and safety of topical tacrolimus as monotherapy for the treatment of face/neck vitiligo in Taiwan. This was a multicenter, open-label, non-comparative study. Patients were at least 16 years old and had vitiligo lesions with Vitiligo Index of Disease Activity score +1 or more on face or neck. Patients received a monotherapy with 0.1% of tacrolimus ointment twice daily for 12 weeks. The efficacy was measured by the percentage of repigmentation of target lesion, which was graded as minimal (1,25%), mild (26,50%), moderate (51,75%) or excellent (76,100%). Patients who had at least mild repigmentation were defined as responders. A total of 61 patients were enrolled in this investigation. Most of the patients showed repigmentation at week 4. At the end of treatment, all patients showed repigmentation and 45.9% of patients were responders. During the study, 15 adverse events related to the ointment were reported. All the reported adverse events were mild and similar to the well-known adverse effect of tacrolimus in the treatment of atopic dermatitis. Tacrolimus ointment is effective and well tolerated for the treatment of patients with vitiligo in Taiwan. It will be another drug of choice for persons with vitiligo who are unable to receive regular phototherapy and fear the side-effects of topical steroid in long-term use. [source] Oral retinoic acid metabolism blocking agent RambazoleTM for plaque psoriasis: an immunohistochemical studyBRITISH JOURNAL OF DERMATOLOGY, Issue 2 2007H.J. Bovenschen Summary Background, The novel systemic all- trans retinoic acid metabolism blocking agent (RAMBA) R115866 (RambazoleTM; Barrier Therapeutics, Geel, Belgium; further referred to as rambazole) increases intracellular levels of endogenous all- trans retinoic acid (RA). Well-known effects of RA are normalization of aberrant epithelial growth and differentiation. Hence, rambazole might be beneficial in the treatment of plaque psoriasis. Objectives, The dynamics of epidermal proliferation, keratinization, lesional T-cell subsets and cells expressing natural killer (NK)-receptors in plaque psoriasis were assessed during treatment with rambazole, as part of a phase IIa open-label clinical trial. Methods, Six patients were treated with rambazole, 1 mg, once daily, for 8 weeks. At weeks 0, 2 and 8, psoriatic plaque severity scores (SUM) and biopsies from a target lesion were assessed. Epidermal proliferation (Ki67), keratinization markers (K10, K13, K19), T-cell subsets (CD3, CD4+, CD8+, CD45RO+, CD45RA+, CD2+, CD25+, GITR+) and cells expressing NK-receptors (CD94, CD161) were immunohistochemically stained and quantified with image analysis. Results, At week 2 the mean SUM-score was virtually equal to baseline, which was accompanied immunohistochemically by equal epidermal hyperproliferation, a nonsignificant decrease in K10 positive epidermis and, overall, a nonsignificant increase in immunocyte subsets. At week 8, in contrast, plaque severity was reduced by 34% from baseline (P < 0·05). Improvements were also detected for epidermal proliferation (,63%; P < 0·01) and K10 expression (+29%; P < 0·01), compared with baseline. No induction of retinoid-specific keratinization (K13, K19) was observed. A nonsignificant reduction of all pathogenic T-cell subsets and cells expressing NK-receptors was observed at week 8 of treatment (P > 0·05). Conclusions, Clinical efficacy of rambazole is primarily the result of restoring proliferation (Ki67) and differentiation (K10) of epidermal keratinocytes. Secondly, relevant T-cell subsets and cells expressing NK-receptors showed nonsignificant reductions after 8 weeks of treatment with rambazole. [source] Sequential vs. kissing balloon angioplasty for stenting of bifurcation coronary lesionsCATHETERIZATION AND CARDIOVASCULAR INTERVENTIONS, Issue 4 2002Martin Brueck Abstract Coronary angioplasty of bifurcation lesions remains a technical challenge and is believed to result in low procedural success associated with the risk of side-branch occlusion. Furthermore, long-term results are associated with a high rate of reintervention. The aim of the study was to evaluate the immediate and long-term clinical and angiographic results of sequential vs. simultaneous balloon angioplasty (kissing balloon technique) for stenting of bifurcation coronary lesions. Between December 1999 and January 2001, 59 patients underwent coronary angioplasty because of symptomatic bifurcation lesions type III (i.e., side branch originates from within the target lesion of the main vessel, and both main and side branch are angiographically narrowed more than 50%). Twenty-six patients were treated with simultaneous and 33 patients with sequential balloon angioplasty. Main-vessel stent placement was mandatory; side-branch stenting and platelet IIb/IIIa antagonists were allowed at the discretion of the operator. Kissing balloon technique offered no advantage in terms of procedural success or need for repeat target vessel revascularization due to restenosis at 6-month follow-up. Using sequential balloon angioplasty, permanent or transient side-branch compromise rate (TIMI flow < 3) was significantly higher than after kissing balloon technique (33% vs. 0%, respectively; P = 0.003). Major clinical events in-hospital or at 6-month follow-up, however, showed no significant differences. Kissing balloon angioplasty reduces the rate of transient side-branch occlusion compared to sequential PTCA but does not improve immediate or long-term outcome compared to sequential PTCA for stenting of bifurcation lesions. Cathet Cardiovasc Intervent 2002;55:461,466. © 2002 Wiley-Liss, Inc. [source] THE TECHNICAL FUNDAMENTALS OF ENDOSCOPIC MUCOSAL RESECTION IN THE COLON: OUR METHODDIGESTIVE ENDOSCOPY, Issue 2004Yasushi Oda ABSTRACT Endoscopic mucosal resection (EMR) is the technique used to resect flat or depressed tumors or larger tumors such as laterally spreading tumors with marginal normal mucosa. Recently, endoscopic mucosal dissection technique has been rapidly accepted, mainly in early gastric cancer in Japan. We need to have firm knowledge of EMR technique in the colon for recovery as we advance this new technique. We describe our conventional EMR method practically. EMR should be performed to locate the target lesion at down side to perform sure EMR. The ideal shape of upheaval by saline injection is hemisphere. The needle sheath and snare should be taken out a little of the endoscopy to manipulate firmly. Another technique of secure EMR is the snare manipulation. We prefer that the shape of the snare is circular and the snare is hard. It is important while trapping to press the target lesion with both the whole snare circle and the end of the sheath. With these fundamental procedures we could resect the target lesions at will. [source] Confocal endomicroscopy for phenotypic diagnosis of gastric cancerJOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, Issue 4 2010Kakunori Banno Abstract Background and Aim:, Relationships between mucin phenotype and malignant potential in gastric cancers have attracted attention. We attempted to assess the possibility of obtaining phenotypic diagnoses by confocal endomicroscopy. Methods:, Confocal images of target lesions were obtained in 29 of 40 patients with gastric cancer. Appearances of the brush border, goblet cells, and gastric foveolar epithelium were investigated with immunohistochemical staining using CD10, MUC2, and human gastric mucin to evaluate phenotypic expression in gastric carcinomas. Confocal images were compared with immunohistochemical findings for goblet cells and brush borders. Results:, Both the endoscopists and the pathologist obtained high accuracy rates for differential diagnosis. Sensitivity and specificity for goblet cells were 85.7% and 92.3% (Endoscopist A), and 85.7% and 88.5% (Endoscopist B). The ,-value for correspondence between two endoscopists for the diagnosis of goblet cells in confocal images was 0.73. Sensitivity and specificity for the brush border were 93.8% and 91.7% (Endoscopist A), and 81.3% and 91.7% (Endoscopist B). The ,-value for correspondence between two endoscopists for diagnosis of the brush border in confocal images was 0.79. Intestinal phenotypic gastric cancers show a brush border, goblet cells, or both. Sensitivity and specificity for the intestinal phenotype in confocal endomicroscopy were 90.9% and 77.8% (Endoscopist A), and 86.4% and 83.3% (Endoscopist B). Conclusion:, The confocal endomicroscopic diagnosis of the mucin phenotype in gastric cancers was limited to intestinal and mixed phenotypes, but may be useful for the diagnosis of mucin phenotype and differential diagnosis. [source] Number IV Erythema multiformeORAL DISEASES, Issue 5 2005P Farthing Erythema multiforme (EM) is an acute mucocutaneous hypersensitivity reaction characterised by a skin eruption, with or without oral or other mucous membrane lesions. Occasionally EM may involve the mouth alone. EM has been classified into a number of different variants based on the degree of mucosal involvement and the nature and distribution of the skin lesions. EM minor typically affects no more than one mucosa, is the most common form and may be associated with symmetrical target lesions on the extremities. EM major is more severe, typically involving two or more mucous membranes with more variable skin involvement , which is used to distinguish it from Stevens-Johnson syndrome (SJS), where there is extensive skin involvement and significant morbidity and a mortality rate of 5-15%. Both EM major and SJS can involve internal organs and typically are associated with systemic symptoms. Toxic epidermal necrolysis (TEN) may be a severe manifestation of EM, but some experts regard it as a discrete disease. EM can be triggered by a number of factors, but the best documented is preceding infection with herpes simplex virus (HSV), the lesions resulting from a cell mediated immune reaction triggered by HSV,DNA. SJS and TEN are usually initiated by drugs, and the tissue damage is mediated by soluble factors including Fas and FasL. [source] Teledermatology: Influence of zoning and education on a clinician's ability to observe peripheral lesionsAUSTRALASIAN JOURNAL OF DERMATOLOGY, Issue 3 2002Keng Chen SUMMARY Teledermatology can benefit rural and remote communities, where specialist dermatological services may not be readily available. Regarding store-and- forward teledermatology, we hypothesized that the site of a lesion in an image (zoning) may influence a clinician's ability to observe target lesions, and that education on image viewing may improve use of this technology. We examined this by conducting both pre- and post-education studies. The education on image viewing consisted of a presentation on the outcome of the first study-survey on image viewing. The first study demonstrated that zoning influences a clinician's visual attention and that significant, concurrent lesions in the periphery may be missed. The second study demonstrated that brief education could produce a measurable change in observing peripheral lesions. These findings have medico-legal implications and suggest that further education in the use of such technology is necessary in order to optimize patient care and prevent potential errors. [source] | |||||||||||||||||||