Whole blood transfusion generates an inflammatory response and may contribute to organ dysfunction following cardiopulmonary bypass. We established a miniaturized (minimum 140 mL) and biocompatible ...bypass system to reduce perioperative inflammatory responses and avoid blood transfusions. This study was designed to reveal the influences of stored red blood cell (RBC) transfusions on perioperative inflammatory responses in infants. Fifty-four consecutive patients weighing 4-10 kg who underwent surgical procedures for complex heart anomalies with asanguineous prime were retrospectively reviewed. Twenty-two patients (40.7%) received RBC transfusions during CPB. The postoperative peak white blood cell count (p-WBC), peak neutrophil count (p-NC), and peak C-reactive protein (p-CRP) were compared for both patient groups. Stepwise multiple logistic regression analyses were used to investigate which of the factors most affected the perioperative inflammatory responses. The p-CRP and p-NC in patients with transfusion was significantly greater than those in patients without transfusion (CRP 8.1 ± 5.1 versus 5.5 ± 3.0 mg/dL, P < 0.05, p-NC 14.6 ± 4.5 versus 12.0 ± 4.0 × 1000/mm3, P < 0.05). Multivariate analyses showed that RBC transfusion most affected p-WBC (coefficient: 3.89, 95% confidence interval CI 0.79-6.99, P = 0.015) and p-NC (coefficient: 3.64, 95% CI 0.87-6.40, P = 0.011). The RBC transfusions increased the perioperative inflammatory responses, compared to transfusion-free procedures, even when using a miniaturized biocompatible bypass with an asanguineous prime.
We examined the hypothesis that higher cerebral oxygen saturation (rSO2) during RCP is correlated with urinary output.
Between December 2002 and August 2006, 12 patients aged 3 to 61 days and ...weighing 2.6 to 3.4 kg underwent aortic arch repair with RCP. Urinary output and rSO2 were analyzed retrospectively. Data were assigned to either of 2 groups according to their corresponding rSO2: Group A (rSO2 < or = 75%) and Group B (rSO2 < 75%).
Seven and 5 patients were assigned to Group A and Group B, respectively.Group A was characterized by mean radial arterial pressure (37.9 +/- 9.6 vs 45.8 +/- 7.8 mmHg; P = 0.14) and femoral arterial pressure (6.7 +/- 6.1 vs 20.8 +/- 14.6 mmHg; P = 0.09) compared to Group B. However, higher urinary output during CPB (1.03 +/- 1.18 vs 0.10 +/- 0.15 ml.kg-1.h-1; P = 0.03). Furthermore our results indicate that a higher dose of Chlorpromazine was used in Group A (2.9 +/- 1.4 vs 1.7 +/- 1.0 mg/kg; P = 0.03).
Higher cerebral oxygenation may provide higher urinary output due to higher renal blood flow through collateral circulation.
A bridging bronchus (BB) is a rare congenital heart anomaly. Frequently, BB also is complicated with congenital cardiac malformation, especially with sling (retrotracheal) left pulmonary artery ...(SLPA). This report presents a patient who underwent a Norwood procedure for a complex congenital heart disease with BB and SLPA.
Background: For management of bowel obstruction due to colorectal cancer, endoscopic trans‐anal decompression technique has been first reported by Lelcuk et al. in 1986 using balloon dilatation ...technique. Since then, various types of trans‐anal decompression tubes have been clinically used for patients suffering from left side obstructing colorectal cancer as an emergent decompressing device. At present, two types of trans‐anal ileus tube (trans‐anal decompression tube) have been available for clinical use, but they have two main problems that are late colon perforations caused by the tip of the tube and tube obstruction by stool.
Methods: Analysis on three late colon perforations experienced with the use of conventional devices drew possible improvements to make a trans‐anal ileus tube less harmful. To overcome the pitfalls inherent to conventional tubes, the author has developed an improved trans‐anal ileus tube with a balloon installed at the very end of the tube (‘balloon‐tipped type’) made of silicone, measuring 1200 or 1700 mm in total length and 22 Fr in outer diameter. It has been used for 12 cases with obstructing colorectal cancer etc. and its outcomes were compared with those obtained by the use of conventional trans‐anal ileus tube.
Results: No late perforations have been encountered, but tube obstruction did occur in one of 12 cases.
Conclusion: The new trans‐anal ileus tube with a balloon installed at the tip of ileus tube is considered to be safer and especially effective in preventing late colon perforation and tube obstruction.
Medal Production Utilizing Urban Mine Collection Metal TAKAHASHI, Hiroyuki; INOUE, Nobuyuki; KOMORI, Yuji ...
Journal of the Japan Society for Precision Engineering,
2019/01/05, Letnik:
85, Številka:
1
Journal Article
“Urban Mines” Recycling in Astec-irie Co., Ltd Takahashi, Hiroyuki; Inoue, Eiji; Inoue, Nobuyuki ...
Journal of the Japan Institute of Metals and Materials,
01/2021, Letnik:
85, Številka:
8
Journal Article
Recenzirano
Odprti dostop
This paper reviews recycling technologies in Astec-irie Co., Ltd. Repellent substances and valuable metals, such as precious metals and rare metals, contained in waste electronics were separated and ...concentrated using superheated steam, an aqueous iron (III) chloride solution, and AI. The electronic components and substrates were separated by melting the solder with superheated steam, and the repellent substance in non-iron smelting was removed from them. The gold-plated parts contained in the electronic components were separated back into gold by dissolving the copper and nickel in the aqueous iron (III) chloride solution. The copper and nickel dissolved into the solution were separated and recovered respectively as solid components by adding iron powder. The useful metals were concentrated from the separated electronic components, which are sorted out using AI. As a result, valuable metals such as precious metals could be concentrated while reducing the concentration of repellents, thus making it possible to treat the removed repellents as useful substance.
PDF
