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Sulbactam

Manufactured by Pfizer
Sourced in United States

Sulbactam is a beta-lactamase inhibitor that is used in combination with other antibiotics to treat certain bacterial infections. It functions by blocking the action of enzymes produced by bacteria that can break down and inactivate certain antibiotics, allowing the antibiotic to be more effective.

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4 protocols using sulbactam

1

Synthesis and Characterization of β-Lactamase Inhibitors

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The antibiotics
used in this study were obtained from their respective manufacturers
as indicated: ampicillin, cephalothin, and clavulanic acid, potassium
salt, from Sigma (St. Louis, MO); sulbactam, sodium salt, from Pfizer
(Groton, CT); tazobactam, sodium salt, from Chem-IMPEX (Wood Dale,
IL); and nitrocefin from Becton Dickinson (Franklin Lakes, NJ). The
sodium salt of PSR-3-283A (263 Da) and 6-D,D-sulbactam were synthesized
in the laboratory of John D. Buynak. Chemical structures of β-lactamase
inhibitors are represented in Figure 1.
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2

Hernia Repair Techniques and Mesh Types

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Inguinal/femoral hernias were repaired either by open (Lichtenstein) or minimally invasive techniques, that is totally extraperitoneal (TEP) or transabdominal preperitoneal (TAPP). Preoperatively, 2 g ampicillin/1 g sulbactam (Pfizer, Berlin, Germany) was given for Lichtenstein, but not for minimally invasive repair. Partially absorbable lightweight polypropylene-polyglecaprone mesh (ULTRAPRO, Ethicon, Norderstedt, Germany) was cropped to 15 × 12 cm for augmentation.
Same antibiotic was pre-operatively given for ventral, incisional and parastomal hernia repairs. Between 2001 and 2012, we implanted lightweight polypropylene-polyglactin mesh (Vypro, Ethicon, Norderstedt, Germany) during open repair. Afterwards, we switched to a lightweight polypropylene mesh (Optilene, Braun, Melsungen, Germany). The meshes were routinely positioned retromuscularly with minimum 5 cm overlap of the fascial defect and fixed with interrupted 2/0 polypropylene sutures (Prolene, Ethicon, Norderstedt, Germany). During minimally invasive intraperitoneal onlay mesh (IPOM), a non-absorbable polypropylene mesh (Proceed, Ethicon, Norderstedt, Germany) was fixed with four 2/0 polypropylene sutures (Prolene, Ethicon, Norderstedt, Germany) and absorbable tacks (Securestrap, Ethicon, Norderstedt, Germany) in double crown technique.
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3

Pharmacokinetics of Cefoperazone/Sulbactam

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cefoperazone/sulbactam (Sulperazon, Pfizer, New York, USA) in 1.5-g ampoules with cefoperazone 1.0 g/sulbactam 0.5g was given to all included patients. All the patients were given cefoperazone/sulbactam 3.0 g in 50-mL saline by intravenous injection for 3 hours every 6 hours after craniotomy. 1.5mL of venous blood and 1.5 mL of CSF were collected before the start of drug administration and at Hour 1, 2, 3, 4, 6, 12, 15, 16, 18 h after administration. The specimens were centrifuged at a speed of 3500 r/min for 5 min. Then, the supernatant was collected and stored at −70°C for uniform testing.
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4

Combination Therapy for Pan-resistant Acinetobacter baumannii

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The extracted pan-resistant Acinetobacter baumannii was observed immediately and was divided into colonized bacteria and infectious bacteria according to the hospital infection diagnostic criteria established by the Ministry of Health. The extracted bacterium was defined as colonized bacteria if it did not qualify for the diagnostic criteria (6 (link)).
The treatment effects of groups A and B were retrospectively analyzed. The antibacterial drugs employed in group A were a combination of cefoperazone, sulbactam (Pfizer, NY, USA) and tanreqing (Kangbao, Shanxi, China). cefoperazone (2 g) and sulbactam (3 g) were administered by intravenous drip every 8 h. Tanreqing (20 ml) was then added into the intravenous drip once a day. For group B, the cases were treated with only cefoperazone and sulbactam. The curative effect and prognosis of the two groups were recorded and the remaining treatments were administered as per clinical routine. The effects were evaluated based on the guiding principles of clinical research on antibacterial agents, as established released by the Ministry of Health (7 (link)). The main criteria for the clinical effects were symptom, sign and laboratory inspection. The 4 grades for assessment were: recovery, significantly improved, improved and no response. In addition, mortality within 28 days after infection was observed.
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