Alginate Microencapsulation as a Tool to Improve Biostimulant Activity Against Water Deficits.

Climate change is reducing agricultural productivity through altered weather patterns and extreme events, potentially decreasing yields by 10-25%. Biostimulants like pyroglutamic acid can enhance plant tolerance to water stress, but their rapid degradation in the soil limits effectiveness. Encapsulation in alginate matrices promises to be a good solution, protecting the compound and enabling controlled release.

Abscisic acid mimic-fluorine derivative 4 alleviates water deficit stress by regulating ABA-responsive genes, proline accumulation, CO2 assimilation, water use efficiency and better nutrient uptake in tomato plants.

Water deficit represents a serious limitation for agriculture and both genetic and chemical approaches are being used to cope with this stress and maintain plant yield. Next-generation agrochemicals that control stomatal aperture are promising for controlling water use efficiency. For example, chemical control of abscisic acid (ABA) signaling through ABA-receptor agonists is a powerful method to activate plant adaptation to water deficit.

An incidental finding during cardiac catheterization.

Coronary artery obstruction during cardiac catheterization is rare. It is a serious complication and has been reported to occur in 0.15 to 0.

[Cardiac catheterization via the right radial artery with a Judkins left catheter. A prospective study].

Radial artery access improves the patient's well-being, permits earlier ambulation and diminishes vascular complications after cardiac catheterization. Using the same catheter to study the left and right coronary arteries may facilitate the technique. In a cohort of 100 patients we prospectively analyzed the possibility of studying both coronary arteries with a Judkins left 3.

[Direct stenting in saphenous vein grafts. Immediate and long-term results].

Introduction And Objectives: Percutaneous interventions on saphenous vein grafts are associated with a worse outcome than in native vessels, mainly because of the risk of embolization. Direct stenting may diminish aggression to the vessel. This study reports the results of direct stenting in saphenous vein grafts.

[Drug-eluting stents in patients with left main coronary lesions who are not candidates for surgical revascularization].

Introduction And Objectives: Surgical revascularization is the treatment of choice in patients with left main coronary artery stenosis. Conventional stents are not a valid alternative because of the rate of restenosis and sudden cardiac death. Drug-eluting stents, which reduce the rate of restenosis, may represent an alternative to cardiac surgery.

[Percutaneous treatment of thoracic aorta diseases. A multidisciplinary approach].

Introduction And Objectives: The purpose of this study was to evaluate the experience of a multidisciplinary team in the percutaneous treatment of thoracic aorta disease.

Patients And Method: Between December 2001 and January 2004, 15 patients were selected for percutaneous treatment at the Thoracic Aorta Unit of the Hospital Universitario Central de Asturias. The motives for stent implantation were: degenerative aneurysm (n=7), acute dissection (n=4), penetrating atherosclerotic ulcer (n=1), posttraumatic aneurysm (n=2) and postsurgery pseudoaneurysm (n=1).

Percutaneous intervention over the origin of a saphenous vein graft anastomosed with the St. Jude Medical Symmetry Aortic Connector System.

We describe a percutaneous intervention performed over the proximal anastomoses of an aortocoronary saphenous vein graft that had been attached to the aorta 3 months before with the St. Jude Medical Symmetry Aortic Connector System. Technical aspects of procedure are discussed, and the experience previously reported in the literature related to this issue is reviewed.