OBJECTIVETo investigate the clinical application of free superficial iliac circumflex artery skin flaps, as well as the management of donor site defects.

METHODS17 free superficial iliac circumflex artery skin flaps were applied for the traumatic defects or deformities on face, neck, foot, hand, ankle and lower leg, respectively. The donor site defects were closed directly or covered by paraumbilical island flaps.

RESULTSThe 17 flap size ranged from 5 cm x 3 cm to 19 cm x 14 cm. 16 flaps survived completely except 1 flap with partial necrosis, which was closed by free skin graft. The donor site defects were closed directly in 10 cases, and covered by paraumbilical island flaps in 7 flaps without no flap necrosis. The abdomen had a good appearance.

CONCLUSIONSGood appearance can be achieved with free superficial iliac circumflex artery skin flaps for the defects on face, neck, foot, hand, ankle and lower leg. Paraumbilical island flap can be used for the donor site defects.

Arteries ; Foot ; Free Tissue Flaps ; blood supply ; transplantation ; Humans ; Reconstructive Surgical Procedures ; Skin ; Skin Transplantation ; Transplant Donor Site ; surgery ; Wounds and Injuries ; surgery

Antipsychotic Agents ; poisoning ; Clozapine ; blood ; poisoning ; Exchange Transfusion, Whole Blood ; methods ; Humans ; Infant, Newborn ; Male ; Treatment Outcome

BACKGROUND:Anterior cruciate ligament (ACL) injury is a commonly sport-induced knee joint injury that does serious harm to the knee stability. ACL reconstruction is a commonly used treatment method, but researches on 1/2 peroneus longus tendon (PLT) graft are rarely reported. OBJECTIVE: To investigate the clinical outcomes of removing the autologous ipsilateral 1/2 PLT under arthroscopy for ACL reconstruction. METHODS:106 patients with complete ACL rupture in the Affiliated Hospital of Traditional Chinese Medicine, Southwest Medical University from December 2010 to December 2014 were enrolled, and autologous ipsilateral 1/2 PLT was removed under arthroscopy for ACL reconstruction. At baseline, 3, 6 and 12 months postoperatively, the knee stability was evaluated manually through the anterior drawer test, Lachman test, and pivot-shift test, and the knee function was evaluated by Tegner activity scale, Lysholm and International Knee Documentation Committee scores. RESULTS AND CONCLUSION: Postoperative anterior drawer test, Lachman test, and pivot-shift test tests were negative in all patients. In terms of Tegner activity scale, Lysholm and International Knee Documentation Committee scores, there were significant differences at baseline and postoperative 3 months as compared with postoperative 6 months (P < 0.05); the scores at baseline and postoperative 3 months showed significant differences compared with 12 months postoperatively (P < 0.05); the scores showed no significant difference between 6 and 12 months postoperatively (P > 0.05). These results indicate that autologous ipsilateral 1/2 PLT is a good choice for ACL reconstruction under arthroscopy, achieving rapid and satisfactory functional recovery of the knee joint, which is not only minimally invasive and easy to operate, but also exhibits good therapeutic efficacy.

Objective To compare the effects of UVA irradiation on cell morphology,quantity and expression of inducible nitric oxide synthase (iNOS) mRNA and protein in human fibroblasts versus a kerati- nocyte cell line HaCaT.Methods Human fibroblasts and HaCaT cells were cultured and irradiated by 5 J/cm~2 UVA.Then,at 24,48 and 72 h after the stimulation,the cell morphology was observed under an in- verted microscope,and iNOS mRNA and protein were measured by RT-PCR and immunohistochemistry method,respectively.Results After the irradiation,human fibroblasts showed shrinkage at the three time points,the quantities of the cells began to decrease significantly at 24 h (P

We examined the effect of endogenous and exogenous nitric oxide (NO) on protein kinase C (PKC) activity induced by angiotensin II (Ang II) in cultured neonatal rat cardiomyocytes. The results are as follows. The activity of PKC was increased by Ang II (0.01-10 micromol/L) in a dose-dependent manner, but decreased by NO precursor L-arginine (L-Arg) (10 micromol/L-10 mmol/L) in a dose-dependent manner in cultured neonatal rat cardiomyocytes. Pretreatment with L-Arg (100 micromol/L) decreased significantly Ang II -activated PKC activity and PKC activity induced by phorbol 12-myristate 13-acetate (PMA) ( 10 micromol/L), a PKC activator. Pretreatment with N(G)-nitro-L-argingie methyl ester (L-NAME), a nitric oxide synthase (NOS) blocker, may inhibit significantly the role of L-Arg on Ang II - and PMA-activated PKC activity. The activity of PKC was also decreased by NO donor sodium nitroprusside (SNP) (10 micromol/L-1 mmol/L) in a dose-dependent manner in cultured neonatal rat cardiomyocytes. Pretreatment with SNP (10 micromol/L) decreased significantly Ang II - and PMA-activated PKC activity. These results indicate that PKC was controlled by both NO and Ang II. PKC may be a cross talk between Ang II and NO in cardiomyocytes. NO abolished the activity of PKC and impaired PKC downstream signaling transduction pathway cascades.
Angiotensin II ; physiology ; Animals ; Animals, Newborn ; Cells, Cultured ; Female ; Male ; Myocytes, Cardiac ; cytology ; enzymology ; Nitric Oxide ; physiology ; Protein Kinase C ; metabolism ; Rats ; Rats, Sprague-Dawley

OBJECTIVETo establish systemic lupus erythematosus (SLE) -like murine model by immunizing BALB/C mice with Sm mimotope.

METHODSSm mimotope was identified by screening a 12-mer random peptide library with monoclonal anti-Smith antibody. Sm mimotope was initially defined with sandwich ELISA, DNA sequencing, and deduced amino acid sequence; and BALB/C mice were subcutaneously injected with mixture phages clones. Sera Sm antibody, anti-double stranded DNA (dsDNA) antibody, and antinuclear antibody (ANA) of mice were detected using direct immunofluorescence; kidney histological changes were examined by HE staining.

RESULTSFive randomly selected peptides were sequenced and the amino acid sequences IR, SQ, and PP were detected in a higher frequency. High-titer IgG autoantibodies of dsDNA, Sm, and ANA in the sera of experiment group were detected by ELISA 28 days after having been immunized by Sm mimotope. Proteinuria was detected 33 days later; immune complex and nephritis were observed in kidney specimens.

CONCLUSIONSLE-like murine model can be successfully induced by Sm phage mimotope.

Animals ; Antibodies, Antinuclear ; blood ; Autoantibodies ; blood ; Disease Models, Animal ; Epitopes ; immunology ; Immunoglobulin G ; blood ; Lupus Erythematosus, Systemic ; immunology ; Mice ; Mice, Inbred BALB C ; Molecular Mimicry ; Oligopeptides ; immunology ; Peptide Library

OBJECTIVETo describe the etiology, clinical features and treatment of childhood acute generalized exanthematous pustulosis (AGEP).

METHODSClinical data from 20 cases of childhood acute generalized exanthematous pustulosis from 1990 to 2008 were retrospectively reviewed.

RESULTSEighteen cases had a history of medication, including the use of penicillin (n=6), cephalosporins (n=3), sulphonamides (n=2), algopyrin (n=2), vaccines (n=2 ) and anti-cold drugs (n=3). Fever and generalized erythematous pustules were observed in all 20 cases. Histopathologic examination revealed spongiform superficial pustules and papillary edema. The patients were asked to stop taking suspected sensitizing drugs and received glucocorticoid treatment (1-2 mg/kg daily). After 3-5 days of the treatment, symptoms were improved and the dosage of glucocorticoid was gradually reduced. All patients were healed within 20 days after treatment.

CONCLUSIONSThe cause of AGEP is mainly attributed to the use of antibiotics, sulphonamides, antipyretic analgesics and vaccines in children. AGEP is characterized by fever and widespread pustular eruption of the skin. Removal of sensitizing factors and glucocorticoid administration is important in the treatment of AGEP in children.

Child ; Child, Preschool ; Drug Eruptions ; diagnosis ; etiology ; therapy ; Exanthema ; diagnosis ; etiology ; therapy ; Female ; Humans ; Male ; Prognosis ; Retrospective Studies ; Skin Diseases, Vesiculobullous ; diagnosis ; etiology ; therapy

Objective To optimize antimicrobial use process,ensure the rational use of preoperative antimicrobial prophylaxis during consecutive operations.Methods Antimicrobial use process in a hospital in December 2015 was optimized,6 072 cases of consecutive operations in May-November 2015 were selected as control group,5 832 cases of consecutive operations in December 2015-May 2016 were as trial group,the qualified rate of rational use of antimicrobial agents was compared between two groups,causes for delayed/prior use was analyzed.Results Before and after the optimization of antimicrobial use process,rates of antimicrobial use were 77.16％ and 78.80％ respectively,there was significant difference between two groups(x2 =8.305,P =0.004).After the optimization of antimicrobial use process,rate of antimicrobial use within 0.5-1 hour was significantly higher than that before the optimization (82.36％ vs 41.11％);rate of antimicrobial use ＜0.5 hour before skin incision decreased from 57.11％ before optimization to 4.32％ after optimization;but rate of antimicrobial use ＞1 hour before skin incision increased from 1.78％ to 13.32％.Causes for delay/prior use of antimicrobial agents was due to the lack of effective communication between doctors and nurses,which resulted in circuit nurses' inaccurate assessment on interval of consecutive operations(62.13％),the duration of intubation or puncture was too long for anesthesiologists (13.57％).Conclusion Optimizing antimicrobial use process in consecutive operations can improve prophylactic antimicrobial use rate within 0.5-1 hour,and is helpful for ensuring the efficacy of antimicrobial prophylaxis.

OBJECTIVETo explore the correlation between androgen-related CYP17 gene polymorphisms and female post adolescent acne in Han population in Hunan Province.

METHODSThe female patients with post adolescent acne and high levels of androgen (A group), those without high levels of androgen (B group) and healthy subjects (C group) were enrolled. The CYP17 gene polymorphism was investigated by PCR using DNA samples from peripheral blood lymphocytes. The T-->C transition in the risk allele (A2) produced a new recognition site for the restriction endonuclease MspA1 I. Three genotypes of androgen-related CYP17 gene (A1A1, A1A2, and A2A2) were determined and confirmed by sequencing.

RESULTSThe frequency of the A1A2 gene was similar in the cases and controls (P>0.05). The frequency of A2A2 gene was not significantly different between groups A and C (P>0.05). The frequency of A2A2 gene was significantly different between groups A and B and between groups B and C (P<0.05).

CONCLUSIONThe presence of base substitution in androgen-related CYP17 gene at -34 bp (T-->C) increases the risk of post adolescent acne in female subjects with increased androgen levels.

Acne Vulgaris ; genetics ; Adult ; Androgens ; blood ; Asian Continental Ancestry Group ; genetics ; Case-Control Studies ; Female ; Genotype ; Humans ; Polymorphism, Genetic ; Steroid 17-alpha-Hydroxylase ; genetics

OBJECTIVETo explore the application value of multi-slice spiral CT angiography (MSCTA) for the preoperative evaluation of laparoscopic right hemicolectomy.

METHODSAbdominal CT slice images of 160 patients(group A) were collected for 3-dimensional reconstruction using volume rendering technique. Interpretation and anatomical classification of the major branches and course of the superior mesenteric artery(SMA) in the reconstructed images of the arterial phase were carried out. Forty-five patients(group B) undergoing laparoscopic right hemicolectomy were evaluated with MSCT combining images obtained from the arterial phase and portal venous phase. The relationship between ileocolic artery and ileocolic vein was analyzed. The preoperative imaging findings were compared to that revealed during the procedure.

RESULTSIn group A, 70(43.8%) out of 160 patents showed anatomical variations of the superior mesenteric artery, of whom 51(31.9%) had two right colic arteries, and 14(8.8%) had two middle colic arteries. Preoperative MSCTA showed that in group B ileocolic artery was running ventrally to ileocolic vein in 13(28.9%) out of 45 patients, while running dorsally in 32(71.1%). Compared to the skeletonized vessels during the procedure, the consistency rate was 100%.

CONCLUSIONAnatomical variations of superior mesenteric artery are common, therefore, multi-slice spiral CT scan is vital for preoperation evaluation.

Adolescent ; Adult ; Aged ; Aged, 80 and over ; Angiography ; methods ; Child ; Colectomy ; methods ; Female ; Humans ; Laparoscopy ; Male ; Mesenteric Artery, Superior ; diagnostic imaging ; Middle Aged ; Prospective Studies ; Tomography, Spiral Computed ; methods ; Young Adult